Half-value period
[医] 半价期, 半值期
🧩 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;
period
['pɪrɪəd]
n. 时期;（一段）时间;学时;句号;
adj. 具有某个时代特征的;（关于）过去某一特定历史时期的;（家具、服饰、建筑等）某一时代的;
peri周围，靠近+od道路→周期
🗣️ 情景例句
Oh! My, how he's grown!
噢， 天啊， 他长这么大了！
The bough that bears most, hangs lowest.
枝头结果越多，垂得越低。
As the thieves were trying to get away in their car, Roy drove his bus into the back of it.
当那两个小偷企图乘车逃跑时，罗伊驾驶他的公共汽车撞在了那辆车的后尾上。