"caffeine" in Chinese (Simplified)
咖啡因
Definition
一种天然物质,存在于咖啡、茶、巧克力和一些汽水中,可以让你感觉更清醒、更有精神。
Usage Notes (Chinese (Simplified))
经常用于医学、营养以及日常场合。一般为不可数名词。常见表达有“高咖啡因”“无咖啡因”“咖啡因含量”。多与精力、警觉性或睡眠相关。
Examples
Coffee contains a lot of caffeine.
咖啡含有大量**咖啡因**。
Some people are sensitive to caffeine.
有些人对**咖啡因**很敏感。
Tea also has caffeine in it.
茶里也含有**咖啡因**。
I usually avoid caffeine after 3 p.m. so I can sleep better.
我通常下午三点后不摄入**咖啡因**,这样睡觉会更好。
Do you know how much caffeine is in a can of soda?
你知道一罐汽水有多少**咖啡因**吗?
Sometimes I need a little caffeine boost to get through a busy morning.
有时候早晨很忙,我需要一点**咖啡因**提神。