Opticalmechnical
光学机械
🗣️ 情景例句
I gave that idea up a long time ago.
我很久以前就放弃了那个想法了。
Having a sense of appreciation for all the people will keep us going on in business.
对所有人都抱一份感恩的心情会使我们的生意长盛不衰。
so that the rabbit population was unlikely to be completely exterminated.
所以兔子不可能被完全消灭。