Determeter
(往复式)去污试验仪
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
It's $32.00 coach and $50.00 club car.
二等车厢票价32美元，头等车厢票价50美元。
If you learn even a little English, you will find it usedful after you leave school.
假如你哪怕只是学一点英语，毕业后，也会发现它是有用的。