C.f.r. egine
[建] 震性测定机
🗣️ 情景例句
He keeps himself fit by running 5 miles every day.
他每天跑五公里以保持身体健康。
I'm sorry. I was just playing football with my friends.
对不起，我只是和朋友去踢了足球。
The apparatus thus described, however,
然而，这里所说的仪器