Farvitron
线振质谱计
🗣️ 情景例句
Can I spray a little on my wrist?
我能在我的手腕上喷一点吗？
Are you sure this is where we are to meet them?
你确定要在这个地方和他们碰头吗？
Can you tell me why?
能告诉我什么原因吗？