Pneumeractor
测量石油产品量的记录仪
🗣️ 情景例句
I'm Martha Vann.
我叫Martha Vann。
The course of true love never did run smooth.
好事多磨。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？