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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.
影片字幕
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-kilogram person?
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？
- This amount of caffeine can trigger heart palpitations or even cardiac arrest.
這個量的咖啡因可能引起心悸，甚至是心搏停止。
嚴重會導致敗血症？！貓咪咬人其實很危險！(Why Cat Bites Are Actually So Dangerous | RTC 35)
- There is a condition called caffeine withdrawal headache,
但我認為這將是一個很酷的實驗，你可以看看
- and it usually comes on pretty quickly when your body gets used to essentially developing a tolerance or a dependence on caffeine, where if you don't have caffeine over a period of 36, 48 hours, the blood vessels in your brain are thought to swell a little bit because of the lack of caffeine.
我們如何才能移植真正的毛囊
跟著BBC學英文在十分鐘內學會十種易混淆的用法！ (BOX SET: English In A Minute 6 – TEN English lessons in 10 minutes!)
- For example, both tea and coffee contain caffeine. We use neither to talk about zero out of two things.
例如，茶和咖啡都含有咖啡因。我們使用 neither 來談論兩件事中的零件。
大腦騙你的四種方式！BBC Ideas (Four ways your brain is playing tricks on you | BBC Ideas)
- A recent peer-reviewed scientific study found caffeine consumption is strongly linked with developing cancer.
只需稍加了解認知偏誤即可改變你看待這個世界的方式。
- A recent peer-reviewed scientific study found caffeine consumption
近期有一個同儕審查的科學研究發現，咖啡因攝取
飲茶終極指南｜Becky來聊 (Ultimate Guide to TEA | Talk Becky Talk)
- pretty passionate about it. It has on average less than half the caffeine of coffee per
平均而言，一杯茶葉的咖啡因含量只有不到一杯咖啡的一半
- It has, on average, less than half the caffeine of coffee per cup.
俗稱茶樹，源自於亞洲，但是現在已生長在世界各地
星巴克點咖啡 | 英文課 (Ordering Coffee at Starbucks | English Class)
- decaffeinated which means no caffeine. Caffeine
is the stuff that kind of gets us awake, kind
不含咖啡因，即不含咖啡因。咖啡因 是那種讓我們清醒的東西，那種。
- of gives us a bit of energy, a bit of alertness.
So if you don't want caffeine in your coffee
給我們一點能量，一點警覺性。 所以，如果你不想在你的咖啡咖啡因。
學習技巧 – 如何培養批判性思考！ (Study Skills – How to think critically)
- Statement one: Caffeine stimulates
陳述一：咖啡因能刺激
- Coffee contains more caffeine than tea.
咖啡比茶含有更多咖啡因
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。