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
It's good to see you so happy.
能看见你如此高兴 ，太好了。
He jests at scars, that never felt a wound.
富人不知穷人苦。
But this does not worry me.
但我从不为此烦恼。