caffeine
US /kæˈfin, ˈkæfˌin, ˈkæfiɪn/
・UK /ˈkæfi:n/
B2 中高級英檢高級
n. (u.)不可數名詞咖啡因
Almost everyone I know drinks something with caffeine in the morning to get the day started
n. (u.)不可數名詞咖啡因含量
This brand of coffee has a high caffeine content.
n. (u.)不可數名詞咖啡因（添加劑）
Some people are sensitive to caffeine as an additive in food.
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辦公室 | 辦公室風雲：鄧德．米夫林如何搞砸潘的跨年願望板！ (The Office | Dunder Mifflin Ruins Pam’s New Year’s Resolution Board)
- Oh, Pam. Soda. Caffeine.
哦，帕姆。蘇打水咖啡因
- Caffeine.
咖啡因
5個最受歡迎的冰咖啡配方 (5 Fave Iced Coffee Hacks)
- As most of you know by now, I'm pretty much 100 percent caffeine-powered.
如你們大多數人所知，我的能量幾乎100%源於咖啡因。
- As most of you know by now, I'm pretty much 100% caffeine-powered.
如你們大多數人所知，我的能量幾乎100%源於咖啡因。
這會致命？這些東西都有可能讓你有生命危險 (This Much Will Kill You)
- But did you know that 70 cups of coffee contains enough caffeine to kill a 70 kg person?
同樣危險的毒物還有釙，只要 1 克氣化的釙就足以消滅 5 千萬人。
- This amount of caffeine can trigger heart palpitations or even cardiac arrest.
不過你知道 70 杯咖啡所含的咖啡因量足以殺死一個 70 公斤的成人嗎？
跟著 Katherine 一起學會這十個可愛又親切的英文俗語！ (10 Darling IDIOMS ☺️??️for daily natural speech ?| British English ?? | British Culture ??)
- But you know when you've had a lot of caffeine you feel like you're bouncing off the walls, you've got lots of energy.
但你知道，當你攝入大量咖啡因時，你會感覺自己蹦蹦跳跳，精力充沛。
- It had nothing to do with caffeine, it was more anticipation and excitement because I was actually really excited to do it.
這與咖啡因無關，更多的是期待和興奮，因為我真的很想這麼做。
一起到英國知名大學「劍橋」度過美好的一天吧！(Cambridge in England – Spend A Splendid Day in this Famous University City)
- Look, when you're on holiday, it's basically an unwritten rule that you've got to start the day with a massive, delicious bomb of caffeine and sugar.
在果園裡享用奶油茶。
- Cambridge has a huge student population, but it's also a city and destination in its own right. Look, when you're on holiday, it's basically an unwritten rule that you've got to start the day with a massive delicious bomb of caffeine and sugar.
劍橋擁有龐大的學生群體，但它本身也是一座城市和旅遊勝地。聽著，當你在度假的時候，基本上有一條不成文的規定，那就是你必須以一大堆美味的咖啡因和糖開始新的一天。
哪裡的食物最肥？美國 VS 英國食物大戰（肯德基、麥當勞、約翰爸爸） (US vs UK Most Calories (KFC, McDonald's, Papa John's) | Food Wars)
- If you were to order a Venti caramel Frappuccino from a UK Starbucks, it would contain 426 calories, 61.1 grams of sugar, and 117 milligrams of caffeine.
如果你在英國的星巴克點一杯特大杯焦糖星冰樂，其中會包含 426 大卡、61.1 克的糖，以及 117 毫克的咖啡因。
- Starbucks, it would contain 426 calories, 61.1 g of sugar, and 117 mg of caffeine.
哈利老兄，你的星冰樂看起來有點可憐欸，上面的鮮奶油看起來全都塌了。讓我教你一個來自美國的小技巧吧。
什麼！大麻可以改變你的睡眠？！ (How Marijuana Completely Changes Your Sleep)
- Caffeine actually binds to the same receptors effectively blocking adenosine, which is why it can keep you alert.
實際上，咖啡因會與有效阻斷腺苷的相同受體結合，這就是它能讓人保持警覺的原因。
- Caffeine actually binds to the same receptors, effectively blocking adenosine, which is why it can keep you alert.
一些研究表明，它能減輕焦慮，讓人睡得更安穩。
