Determeter
(往复式)去污试验仪
🗣️ 情景例句
You'll need to hurry up, or you'll miss the train.
你得快点，否则赶不上火车。
I ask him to tell me everything he thought.
我要求他告诉我，他所想得每件事情。
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。