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
Wonderful. Please.
好啊！请。
What are you so excited about?
什么事让你如此兴奋？
She played basketball after school, and then walked home.
放学后她打了篮球，然后步行回家。