Opticalmechnical
光学机械
🗣️ 情景例句
Nowadays more and more people are without jobs.
现在越来越多的人失业。
I'm thinking of quitting the job.
我在考虑辞职。
Oh. It's very nice. How far have you been in it?
嗬，太漂亮了。你开它走了多远？