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 think I'm going to have a talk with Mr. Marchetta
我想我要跟Marchetta先生谈谈
One cloud is enough to eclipse all the sun.
一叶可障目。
'You certainly did give me a surprise!' said the vicar.
“你确实使我大吃了一惊！”牧师说，