Opticalmechnical
光学机械
🗣️ 情景例句
Right. Would you give me room service, please?
好。请接房间服务部好吗？
I think so.
我想是这样。
The main school holidays are from mid-December till early February when the days are long and warm.
学校主要的假期从12月中旬起至第二年的2月初为止，这段时间白昼很长，气候也暖和。