Half wavelength criterion
[电] 半波长准则
🧩 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 care about people, not things.
……我关心人， 而不是东西。
I will be going to school in a few weeks from now.
我将在几个星期后上学去。
You'd better take a hat.
你最好戴上帽子。