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
And now for ... something old,
现在， 接着是 一些旧的，
He is up to his ears in debt.
他债台高筑。
It blesses those who give it, and those who receive it.
它不但赐福施予的人，而且赐福于受施的人。