Siriometer
兆(天文单位)
🗣️ 情景例句
in the school and loving every minute of it.
在学校 ，且乐此不疲， 时时如此。
My father always gave an ear to my problems.
家父常常倾听我的问题。
Well, have you forgotten already?
嗯，你已经忘了吗？