Optiminimeter
光学测微计
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
Everything has its time and that time must be watched.
任何事情都有好的时机，不要随意放过。
Hello, Jim! Nice to meet you.
吉姆，你好。见到你很高兴！