Decelerometer
n. 减速计
🗣️ 情景例句
He married a classmate from high school.
他与高中时代的同班同学结婚。
I'm afraid you will fail.
我怕你会失败。
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？