Endiometer
气体容量分析管
🗣️ 情景例句
Fine. How much would you like to exchange, sir?
好的。您要兑换多少呢，先生？
She doesn't come as ofter as she used to.
她现在已经不像以前那样常来了。
Our policy is not to grant exclusivity.
我们的方针是不授与专卖权。