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
I'm so busy that I don't get around to it.
我忙得找不出时间去做它。
Great oaks from little acorns grow.
万丈高楼平地起。
What do you teach?
你教什么呢？