Simu
abbr. stellar inertial measuring unit 天体惯性测量设备
🗣️ 情景例句
OK. Finish off by jogging in place.
好 ，结束之前在原地慢跑。
I cannot believe that.
我还是不敢相信。
Tony speaks English and he plays tennis.
托尼会说英语，打网球。