I need caffeine to wake up in the morning.
我需要咖啡因來早上清醒。
She drinks a lot of caffeine to stay awake during night shifts.
她喝很多咖啡因來保持清醒在夜班。
Caffeine can help improve focus and concentration.
咖啡因可以幫助提高注意力和集中力。
Some people are sensitive to caffeine and experience jitters.
有些人對咖啡因敏感，會出現緊張不安的感覺。
Energy drinks often contain high levels of caffeine.
能量飲料通常含有高含量的咖啡因。
Caffeine is a common ingredient in coffee, tea, and soda.
咖啡因是咖啡、茶和蘇打水中常見的成分。
Too much caffeine consumption can lead to insomnia.
過量攝入咖啡因可能導致失眠。
Some people experience headaches when they withdraw from caffeine.
有些人在戒除咖啡因時會出現頭痛。
Athletes sometimes use caffeine as a performance enhancer.
運動員有時會將咖啡因作爲性能增強劑使用。
Caffeine can have both positive and negative effects on the body.
咖啡因對身體可能既有積極的也有消極的影響。
Who could possibly need that much caffeine?
誰會需要那麼多咖啡因啊？
來源: Lost Girl Season 4I feel like I need some caffeine. Do you want anything?
我想喝點咖啡 你要帶點什麼嗎？
來源: S03Decaf is short for decaffeinated, meaning it doesn't have caffeine.
Decaf是脫咖啡因（decaffeinated）的縮寫，意思是不含咖啡因。
來源: Lucy’s Day in ESLGreen tea contains both caffeine and an organic compound known as catechin.
綠茶包含咖啡因和一種叫作兒茶酸的有機化合物。
來源: Scishow Selected SeriesTechnically, iced coffee can be even better because it has more caffeine.
理論上，冰咖啡效果更好，因爲含咖啡因更多。
來源: Intermediate and advanced English short essay.Still you'll have some caffeine in your system for hours after that.
在那幾小時後你體內還會留存一些咖啡因。
來源: Graphic Information ShowPeople often try to cut out caffeine or sugar or bread and carbs.
有人經常會嘗試戒掉咖啡因、糖、麪包和碳水化合物。
來源: Grandpa and Grandma's grammar classAt night, do not drink coffee, or other drinks that contain the chemical caffeine.
晚上，不要喝咖啡或其他含有咖啡因的飲料。
來源: Global Slow EnglishOne of the benefits to drinking coffee is the caffeine.
喝咖啡的好處之一是咖啡因。
來源: Intermediate and advanced English short essay.You may discover you don't need as much caffeine as you think you do.
你可能就會發現自己並不需要那麼多的咖啡因。
來源: Science in LifeI need caffeine to wake up in the morning.
我需要咖啡因來早上清醒。
She drinks a lot of caffeine to stay awake during night shifts.
她喝很多咖啡因來保持清醒在夜班。
Caffeine can help improve focus and concentration.
咖啡因可以幫助提高注意力和集中力。
Some people are sensitive to caffeine and experience jitters.
有些人對咖啡因敏感，會出現緊張不安的感覺。
Energy drinks often contain high levels of caffeine.
能量飲料通常含有高含量的咖啡因。
Caffeine is a common ingredient in coffee, tea, and soda.
咖啡因是咖啡、茶和蘇打水中常見的成分。
Too much caffeine consumption can lead to insomnia.
過量攝入咖啡因可能導致失眠。
Some people experience headaches when they withdraw from caffeine.
有些人在戒除咖啡因時會出現頭痛。
Athletes sometimes use caffeine as a performance enhancer.
運動員有時會將咖啡因作爲性能增強劑使用。
Caffeine can have both positive and negative effects on the body.
咖啡因對身體可能既有積極的也有消極的影響。
Who could possibly need that much caffeine?
誰會需要那麼多咖啡因啊？
來源: Lost Girl Season 4I feel like I need some caffeine. Do you want anything?
我想喝點咖啡 你要帶點什麼嗎？
來源: S03Decaf is short for decaffeinated, meaning it doesn't have caffeine.
Decaf是脫咖啡因（decaffeinated）的縮寫，意思是不含咖啡因。
來源: Lucy’s Day in ESLGreen tea contains both caffeine and an organic compound known as catechin.
綠茶包含咖啡因和一種叫作兒茶酸的有機化合物。
來源: Scishow Selected SeriesTechnically, iced coffee can be even better because it has more caffeine.
理論上，冰咖啡效果更好，因爲含咖啡因更多。
來源: Intermediate and advanced English short essay.Still you'll have some caffeine in your system for hours after that.
在那幾小時後你體內還會留存一些咖啡因。
來源: Graphic Information ShowPeople often try to cut out caffeine or sugar or bread and carbs.
有人經常會嘗試戒掉咖啡因、糖、麪包和碳水化合物。
來源: Grandpa and Grandma's grammar classAt night, do not drink coffee, or other drinks that contain the chemical caffeine.
晚上，不要喝咖啡或其他含有咖啡因的飲料。
來源: Global Slow EnglishOne of the benefits to drinking coffee is the caffeine.
喝咖啡的好處之一是咖啡因。
來源: Intermediate and advanced English short essay.You may discover you don't need as much caffeine as you think you do.
你可能就會發現自己並不需要那麼多的咖啡因。
來源: Science in Life探索常見搜尋詞彙