Farvitron
线振质谱计
🗣️ 情景例句
I need your advice on a personsal matter,
我有件私事， 需要听听你的高见，
I hope you'll be well soon.
祝你早日恢复健康。
Uncle Wang was waiting for them outside the factory gate.
王大叔在工厂大门外等他们。