Endiometer
气体容量分析管
🗣️ 情景例句
It would be a great business if you could do that.
假如你能办到那样的话， 可是一笔大生意。
The greatest fool is he who worries about what he cannot help.
操心无法可想的事是最大的傻瓜。
Are you going to make another?
您准备再拍一部吗？