Half life
[医] 半衰期(放射性物质), 半存留期(化学性物质)
🧩 词语组成解析
half
[hæf]
adj. 一半的，半个的;
n. 半;一半;（啤酒等饮料的）半品脱;（比赛、音乐会等的）半场;
adv. 一半;部份地;
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
🗣️ 情景例句
I heard that you get vitamin D from sunshine, and that you soak it like a sponge.
我听说人们像海绵一样从阳光中摄入维生素D。
Fuck you!
去你的！
A few peopple in each group are given the task of remembering the group's family history that goes back over centuries.
每一个家族都有几个人担任记忆延续了几个世纪的家史的任务。