Rhumbatron
[电] 菱形管
🗣️ 情景例句
Keep your nose to the grindstone; you'll succeed.
埋头苦干，总有成功的一天。
Excuse me, but do you handle remittance checks here?
打扰了，你们办理汇款支票吗？
It's very pleasant.
气候非常宜人。