Half-thickness
[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
Does Daddy want to move?
爸爸想要搬吗？
I'm fed up with him.
我受够他了。
How long has Kate been at her school?
凯特进校学习有多长时间了？