Half-wavelength
半波长
🧩 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
But our anniversary isn't until Saturday.
但是要到星期六才是我们结婚周年呀。
I ask him to wait outside.
我要求他等在外面。
A woman saw it happen when she was walking past.
一位妇女走过的时候，看到我的钢笔掉了。