Rideograph
(测量路面行车平稳性能的)测振仪, 平整度测定仪
🗣️ 情景例句
To advertise during prime time TV is very expensive.
在电视的黄金时段买广告是很贵的。
Can you ever forgive me?
你真的肯原谅我吗？
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。