字幕列表 影片播放 已審核 字幕已審核 列印所有字幕 列印翻譯字幕 列印英文字幕 The number of smart phone users globally 全球的智慧型手機使用人數 is set to reach 2.5 billion by 2019. 將在 2019 年達到 25 億 Around a third of the world's population will own one. 世界人口將近三分之一的人都將擁有一支手機 Smartphones touch every element of our lives. 智慧型手機觸及到我們生活的每個元素 But did you know that they also connect nearly every 但你知道,他們也連結了近乎所有 element on the planet? 地球上的元素嗎? In fact, of the 118 elements on the periodic table, 事實上,週期表上的 118 個元素中 75 can be found inside a smartphone. 有 75 個可以在智慧型手機上找到 These raw materials are extracted from the ground 這些未經加工的元素都是從地面中提取出來 and shipped to refineries and factories 並被運送到精煉工廠 in a truly global supply chain. 這是個真正全球化的供給鏈 Silicon. 矽 One of the most common elements in the earth's crust, 地殼中最常見的元素之一 is used to make the billions of transistors in the chips 是被用來做成數十億個晶片中的電晶體 that power your phone. 為你的手機提供動力 Gold is used for electrical wiring. 黃金是用於電線 About 0.03 grams of it in each iPhone. 每支 iphone 中大約 0.03 公克的黃金 Indium, another metal, is used to make touch screens. 另一種金屬「銦」是用來製作觸控螢幕 But when it comes to batteries, 但當我們說到電池時 lithium is one of the key components, 鋰則是其中一個關鍵成分 and this element is only mined in a handful of countries. 而這個元素只在少數幾個國家才有開採 Until recently, Chile used to produce the most lithium. 直到最近,智利一直是生產最多鋰的國家 But now Australia has the biggest market share. 但現在澳洲則有最大的市場佔有率 The Democratic Republic of Congo, 剛果民主共和國 a dangerously unstable country 一個危險又不穩定的國家 with a poor human rights record, 並且有著人權低落紀錄 produces more than half the world's cobalt, 生產世界一半以上的鈷 another crucial element in smartphone batteries. 也是另一個智慧型手機電池的重要元素 Smartphone makers are under pressure to ensure their cobalt 智慧型手機製造商都有壓力要確保他們的鈷 is responsibly sourced. 有好好地被獲取 About 80% of the cobalt used in batteries 大約 80% 用於電池中的鈷 is refined in China. 是在中國精練 Many so-called rare-earth elements 許多所謂稀土金屬 are also used in smartphones, 被用於智慧型手機中 in the screen, the speaker, 螢幕、喇叭 and the motor that makes your phone vibrate. 和讓你的電話震動的馬達 About 85% of rare-earth elements are produced in China. 大約 85% 的稀土金屬在中國生產 Despite their name, rare-earth elements 儘管它的名稱是稀土金屬 are not particularly rare, 但卻不特別稀有 but they are hard to extract 但提煉它們很難不產出 without producing toxic and radioactive byproducts. 毒氣和放射性的副產物 Many of the elements used in smartphones 許多用於智慧型手機的元素 are finite resources, 是有限的資源 and have no functional substitutes. 而並無有用的替代物 Rather than digging in the ground for the elements needed 比起挖掘土讓中所需的元素 for new handsets, 來製作新的手機 it makes sense to extract them from old phones. 從舊的手機中提取它們更合理 But only about 10% of handsets are recycled now. 但現在僅有大約 10% 的手機被回收 So recycle your phone if you get a new one this year. 所以,如果你今年買了一隻新的,把你的手機拿去回收吧! Why? It is, you might say, elementary. 為什麼?可以這說,這是非常基本的一件事 (諧音: 元素)
B1 中級 中文 美國腔 手機 元素 智慧型 金屬 用於 電池 你的手機從何而來?(Where does your phone come from? | The Economist) 12098 524 Priscilla 發佈於 2018 年 10 月 11 日 更多分享 分享 收藏 回報 影片單字