Lm
n. 地上移动式无线电设备（Land Mobile）；登月舱（Lagrange multiplier）；光学显微镜
🗣️ 情景例句
Who's the valedictorian of this class?
谁是班里优秀的毕业生？
Gentlemen! Can't you agree on anything?
先生们，可否赞成一项？
You'd better go to bed earlier tonight, if you can.
如果可能，你今晚最好早点儿睡觉。