Rectometer
精馏计
🗣️ 情景例句
Keep quiet, I'm trying to get some work done.
请安静，我要处理一些工作。
If your price is unacceptable, our end-users will turn to other suppliers.
如果您的价格难以接受，我们的客户就会转向其他的供应商。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。