Oscillationg crystal
[电] 振荡晶体
🧩 词语组成解析
🗣️ 情景例句
Where do you like to live, in the city or in the country?
你喜欢住在城市还是乡村？
You'd better go at once, hadn't you?
你最好马上走，不对吗？
It's time to get down to business now.
是进入正题的时候啦。