Waveguide
[计] 波导, 波导管\\n[化] 波导
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
Whom will you vote for?
你将投票给谁？
That's a big box. Is it heavy? Please let me help you.
这是个大盒子。重吗？让我来帮你。