Sigs
abbr. simplified inertial guidance system 简易惯性制导系统; stellar inertial guidance system 天体惯性制导系统
🗣️ 情景例句
when you called me.
当你打电话给我的时候。
Do you have a book?
你有一本书吗？
When I boarded the train, I could not help noticing that a great many local people got on as well.
上车后，我不禁注意到许多当地人也上了车。