Dector
[计] 提取电路, 信号提取器
🗣️ 情景例句
Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货，但它日后可能要花掉更多的钱。
When were you born?
你什么时候出生的？
I'll be there next Monday at noon.
下个星期一中午吧。