735 個「 mineral ecology 」的搜尋結果

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你需要每天走一萬步嗎？ (Do You Need 10,000 Steps a Day?)

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16件回饋的禮物!-- LÜT (16 Gifts That Give Back!! -- LÜT)

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B1 中級
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O DIA EM QUE EU ASSISTI: 50 TONS DE CINZA (O DIA EM QUE EU ASSISTI: 50 TONS DE CINZA)

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为什么猎豹是最快的陆生动物？（Why Are Cheetahs the Fastest Land Animal?）

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B2 中高級
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中文B1 中級
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How do daily habits lead to political violence? | Christiane-Marie Abu Sarah

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中文B1 中級
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B2 中高級
火星上有大量的飲用水。 (There's Plenty of Drinking Water on Mars)02:40

火星上有大量的飲用水。 (There's Plenty of Drinking Water on Mars)

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大自然製造的5種令人敬畏的玻璃 (5 Types of Awesome Glass Made by Nature)10:48

大自然製造的5種令人敬畏的玻璃 (5 Types of Awesome Glass Made by Nature)

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溼地的祕密生活。在UMD尋找解決環境威脅的辦法。 (The Secret Life of Wetlands: Finding Solutions to Environmental Threats at UMD)04:52

溼地的祕密生活。在UMD尋找解決環境威脅的辦法。 (The Secret Life of Wetlands: Finding Solutions to Environmental Threats at UMD)

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B2 中高級
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訪問塔林｜輕鬆的土耳其7 (Visiting Tallinn | Easy Turkish 7)

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B2 中高級
滇西小哥教我們如何做甜辣面（在家與DXXG--E3 (Dianxi Xiaoge Teaches Us How to Make Sweet and Spicy Noodles (At Home With DXXG - E3))08:33

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中文B1 中級
給總統的一封公開信 (Open Letter to the President: Physics Education)03:49

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英式房屋之旅! (BRITISH HOUSE TOUR!)06:05

英式房屋之旅! (BRITISH HOUSE TOUR!)

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A2 初級
Why Does the Ocean Smell Like That?04:22

Why Does the Ocean Smell Like That?

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B2 中高級
為什麼火烈鳥是粉紅色的，加上4個更多的視頻。#aumsum (Why are flamingos pink? plus 4 more videos.. #aumsum)04:54

為什麼火烈鳥是粉紅色的，加上4個更多的視頻。#aumsum (Why are flamingos pink? plus 4 more videos.. #aumsum)

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B2 中高級
超級細菌的治療方法隱藏在地底深處嗎？ (Is the Cure for Superbugs Hiding Deep Under the Earth?)09:18

超級細菌的治療方法隱藏在地底深處嗎？ (Is the Cure for Superbugs Hiding Deep Under the Earth?)

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B2 中高級
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世界上最有用的化石（The Most Useful Fossils in the World）07:00

世界上最有用的化石（The Most Useful Fossils in the World）

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B1 中級
阿富汗正成為安非他命的重要生產地 - BBC News (Afghanistan is 'becoming a significant producer' of Crystal Meth - BBC News)03:27

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中文B1 中級
胡蘿蔔是水果還是蔬菜？植物學、烹飪和營養學的定義 (Are Carrots Fruit or Vegetable?The Botanical, Culinary, and Nutritional Definition)02:46

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29
中文B2 中高級
這是一堆採礦廢料。想在上面滑雪嗎？ (It's a pile of mining waste. Want to go skiing on it?)03:36

這是一堆採礦廢料。想在上面滑雪嗎？ (It's a pile of mining waste. Want to go skiing on it?)

17
中文B1 中級
雅克-弗雷斯科在《今日俄羅斯》上。美國從來不是一個民主國家 (Jacque Fresco on Russia Today: US has never been a democracy)11:16

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中文B1 中級
地球科學。科學史速成班 #20 (Earth Science: Crash Course History of Science #20)13:44

地球科學。科學史速成班 #20 (Earth Science: Crash Course History of Science #20)

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B1 中級
What Are Rocks and How Do They Form? Crash Course Geography #18（What Are Rocks and How Do They Form? Crash Course Geography #18）10:57

What Are Rocks and How Do They Form? Crash Course Geography #18（What Are Rocks and How Do They Form? Crash Course Geography #18）

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B2 中高級
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C.C. C. Mei Distinguished Speaker Series:杉原治博士 (C. C. Mei Distinguished Speaker Series: Dr. George Sugihara)

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訪比爾斯克-比亞瓦｜簡易波蘭語 116 (Visiting Bielsko-Biała | Easy Polish 116)09:26

訪比爾斯克-比亞瓦｜簡易波蘭語 116 (Visiting Bielsko-Biała | Easy Polish 116)

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B1 中級
來自巴西親戚的國際歌手。 (CANTORES INTERNACIONAIS TEM PARENTES BRASILEIROS)13:32

來自巴西親戚的國際歌手。 (CANTORES INTERNACIONAIS TEM PARENTES BRASILEIROS)

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B2 中高級
綠色能源如何為非洲帶來更多雨水 (How Green Energy Could Bring More Rain to Africa)05:00

綠色能源如何為非洲帶來更多雨水 (How Green Energy Could Bring More Rain to Africa)

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B1 中級
藝術/建築 - 奧斯卡-尼邁耶的作品 (ART/ARCHITECTURE - Oscar Niemeyer)05:36

藝術/建築 - 奧斯卡-尼邁耶的作品 (ART/ARCHITECTURE - Oscar Niemeyer)

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中文B1 中級
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260
B1 中級
但以理與音海 (Daniel and the Sea of Sound)05:16

但以理與音海 (Daniel and the Sea of Sound)

188
中文A2 初級
裸鼴鼠為什麼能活這麼久？ (Why do naked mole rats live so long?)06:26

裸鼴鼠為什麼能活這麼久？ (Why do naked mole rats live so long?)

48
B1 中級
為什麼所有的沙子都是一樣的？ (Why is All Sand the Same?)02:28

為什麼所有的沙子都是一樣的？ (Why is All Sand the Same?)

206
B2 中高級
啤酒為什麼會讓你尿尿？ (Why Does Beer Make You Pee?)02:28

啤酒為什麼會讓你尿尿？ (Why Does Beer Make You Pee?)

281
B1 中級
鈮 - 視頻的週期表 (Niobium - Periodic Table of Videos)09:27

鈮 - 視頻的週期表 (Niobium - Periodic Table of Videos)

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A2 初級
米9耐用性測試!- 相機鏡頭是藍寶石？ (Mi 9 Durability Test! - Is the Camera Lens Sapphire?)07:03

米9耐用性測試!- 相機鏡頭是藍寶石？ (Mi 9 Durability Test! - Is the Camera Lens Sapphire?)

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B2 中高級
[Minecraft] ([Minecraft])11:57

[Minecraft] ([Minecraft])

142
中文A2 初級
鉻--地球上最堅硬的金屬! (Chromium - The HARDEST METAL ON EARTH!)09:06

鉻--地球上最堅硬的金屬! (Chromium - The HARDEST METAL ON EARTH!)

96
C1 高級
KOREAN Beauty Haul 韓國護膚品和彩妝的收穫。 (KOREAN Beauty Haul 韓国のスキンケアとメーク)07:19

KOREAN Beauty Haul 韓國護膚品和彩妝的收穫。 (KOREAN Beauty Haul 韓国のスキンケアとメーク)

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B1 中級
10.2 礦物質。鈣和磷 (10.2 Minerals: Calcium and Phosphorus)08:57

10.2 礦物質。鈣和磷 (10.2 Minerals: Calcium and Phosphorus)

41
C1 高級
Why a coup in Guinea was felt around the world09:45

Why a coup in Guinea was felt around the world

13
A1 初級
潔淨水無國界 (Clean Water Knows No Boundaries)03:08

潔淨水無國界 (Clean Water Knows No Boundaries)

130
B1 中級
橡皮怎麼擦？ (How Do Erasers Erase?)02:49

橡皮怎麼擦？ (How Do Erasers Erase?)

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中文B2 中高級