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
Can I get you something, Mr. Stewart?
要我替你拿点什么吗， Stewart先生？
I suppose it might be gold.
说不定是金子啊。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。