Seit
[医][=supervisory electronic installation technician]监视电子装置管理技术员
🗣️ 情景例句
Rome wasn't build in a day.
伟业非一日建成。
Is that a book?
那是一本书吗？
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。