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    • A1 初級
    • A2 初級
    • B1 中級
    • B2 中高級
    • C1 高級
    • C2 高級

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    potassium

    US /pəˈtæsiəm/

    ・

    UK /pəˈtæsiəm/

    B2 中高級
    n. (u.)不可數名詞鉀
    You can find potassium in potatoes
    n. (u.)不可數名詞鉀(飲食中)
    Bananas are a good source of potassium.
    n. (u.)不可數名詞鉀化合物
    Potassium chloride is used in fertilizers and as a salt substitute.

    影片字幕

    6種讓你馬上排便的健康飲品! (6 Healthy Drinks That Make You Poop Immediately)

    07:096種讓你馬上排便的健康飲品! (6 Healthy Drinks That Make You Poop Immediately)
    • It's important to note that excessive consumption of apple cider vinegar may cause side effects such as throat irritation or low potassium levels.

      雖然沒有科學證據證明蘋果醋對治療便祕有效,但有些人對蘋果醋的好處信誓旦旦。

    • It's important to note that excessive consumption of apple cider vinegar may cause side effects such as throat irritation or low potassium levels.

      雖然沒有科學證據證明蘋果醋對治療便祕有效,但有些人對蘋果醋的好處信誓旦旦。

    B2 中高級

    關於碳捕捉的最大謊言! (The Biggest Lie About Carbon Capture)

    08:37關於碳捕捉的最大謊言! (The Biggest Lie About Carbon Capture)
    • Other prototypes use potassium hydroxide, water and heat energy to go through a series of chemical reactions that eventually release CO2 out of the air, but all of these processes require extra energy and heat in order to work.

      其他原型利用氫氧化鉀、水和熱能進行一系列化學反應,最終從空氣中釋放出二氧化碳,但所有這些過程都需要額外的能量和熱量才能起作用。

    • Other prototypes use potassium hydroxide, water, and

      基本上,列車的每一次制動都能產生足夠 20 戶家庭一天用電量的能量。

    B1 中級

    週期表之歌 (2018更新版!) (The Periodic Table Song (2018 UPDATE!))

    03:05週期表之歌 (2018更新版!) (The Periodic Table Song (2018 UPDATE!))
    • Potassium!

      氟讓你的牙齒變漂亮

    • Potassium

      鈧,鈦,釩 鉻和錳

    C1 高級

    血液,第一部 - 真愛急診室:人體解剖學速成班 #29 (Blood, Part 1 - True Blood: Crash Course A&P #29)

    10:00血液,第一部 - 真愛急診室:人體解剖學速成班 #29 (Blood, Part 1 - True Blood: Crash Course A&P #29)
    • But they're really just positively charged cations, like calcium, sodium, and potassium, and

      然後你會看見中間有薄薄一層白色的液體。這些是你血液中的戰士

    • sodium, and potassium -- and negatively-charged anions, like phosphate, sulfate, and bicarbonate.

      鈉離子和鉀離子 -- 和帶負電的離子,像是氯離子、硫離子和重碳酸鹽類

    B2 中高級

    地球上最危險的輻射地!☢️ (The Most Radioactive Places on Earth)

    11:18地球上最危險的輻射地!☢️ (The Most Radioactive Places on Earth)
    • in potassium and some of that potassium is naturally radioactive. So when you eat a banana

      這是一種強度足以將電子剝離原子的輻射

    • in potassium and some of that potassium is naturally radioactive. So when you eat a banana

      這是一種強度足以將電子剝離原子的輻射

    B1 中級

    睡前喝蘋果醋,人生從此改變! (Drinking Apple Cider Vinegar Before Bedtime Will Change Your Life For Good)

    04:45睡前喝蘋果醋,人生從此改變! (Drinking Apple Cider Vinegar Before Bedtime Will Change Your Life For Good)
    • Rather than reaching for an over-the-counter decongestant, rely on the B vitamins to work with the potassium and magnesium in apple cider vinegar to loosen up your sinuses so you can breathe easier.

      脂肪。

    • with the potassium and magnesium in Apple Cider Vinegar, to loosen up your sinuses so

      在蘋果的鉀和鎂 醋,放鬆一下你的鼻竇所以

    B2 中高級

    13分鐘內學會 NotebookLM 的 80%! (Learn 80% of NotebookLM in Under 13 Minutes!)

    12:3613分鐘內學會 NotebookLM 的 80%! (Learn 80% of NotebookLM in Under 13 Minutes!)
    • Clicking the inline citation brings up the video transcript and Dr. Berg says potassium citrate can knock out uric acid pretty fast.

      點擊內聯引文可看到視頻記錄,伯格博士說檸檬酸鉀能快速消除尿酸。

    • Berg says, uh, potassium citrate can knock out uric acid pretty fast.

      如果不這樣做,下次重新加載筆記本時,輸出就會消失。

    B1 中級

    香蕉會滅絕嗎?!banana 🍌 滅亡危機揭曉! (Will Bananas go extinct?)

    04:26香蕉會滅絕嗎?!banana 🍌 滅亡危機揭曉! (Will Bananas go extinct?)
    • Bananas are one of the most eaten fruit in the world. 18 million tons of the high potassium fruit are exported every year, and an average of 12 kilos are consumed per person in the US every year.

      香蕉是世界上食用量最大的水果之一。這種高鉀水果每年出口 1 800 萬噸,美國人平均每人每年食用 12 公斤。

    • 18 million tonnes of the high-potassium fruit are exported every year,

      使用該品種是因為它無籽,需要很長時間才能變質,是以非常適合出口。

    B1 中級

    科幻中的反物質大揭密! (Antimatter in Sci-Fi Rundown)

    10:01科幻中的反物質大揭密! (Antimatter in Sci-Fi Rundown)
    • Even bananas produce antimatter from the natural radioactive decay of tiny amounts of potassium-40, but only at a rate of one antielectron every 75 minutes or so.

      即使香蕉也會從微量鉀-40 的自然放射性衰變中產生反物質,但其速度僅為每隔 75 分鐘左右產生一個反電子。

    • Even bananas produce antimatter from the natural radioactive decay of tiny amounts of potassium-40, but

      即使香蕉也會從微量鉀-40 的自然放射性衰變中產生反物質,但其速度僅為每隔 75 分鐘左右產生一個反電子。

    B2 中高級

    學校沒教的讀書祕訣!讓你贏過同學的超強策略🚀 (The Study Secret They DON'T Teach in School (Outthink Your Peers))

    10:19學校沒教的讀書祕訣!讓你贏過同學的超強策略🚀 (The Study Secret They DON'T Teach in School (Outthink Your Peers))
    • My professor asked us if the delayed rectifier potassium channels, or KV, in a neuron had a significantly increased activation threshold, what would be the resulting effect on the shape and propagation of the action potential?

      我的教授問我們,如果神經元中的延遲整流鉀通道(或 KV)的激活閾值顯著提高,會對動作電位的形狀和傳播產生什麼影響?

    • My professor asked us, "If the delayed rectifier potassium channels, or KV, in a neuron had significantly increased activation threshold, what would be the resulting effect on the shape and propagation of the action potential?" It was clearly a hypothetical question,

      此外,由於細胞去極化的時間更長,是以折返期也會延長。

    B1 中級