Ergostat
练肌器
🗣️ 情景例句
What you're saying is, in order for this center to succeed,
你刚才所说的意思是为了使中心能成功，
How many pieces are you going to buy?
你要买几个？
We certainly expect our product to be available by October 1.
我们的产品在可在10月1日前准备好。