Half-value layer(hvl)
[化] 半值层; 半值厚度
🧩 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;
🗣️ 情景例句
I would like to buy some stamps, please.
我想买些邮票。
What is bred in the bone will not go out of the flesh.
生于骨中者不会出肉外。
The 100-metre race.
100米赛跑