Simu
abbr. stellar inertial measuring unit 天体惯性测量设备
🗣️ 情景例句
Sam, get Mr. Levine at Toytown Stores
Sam，给Toytown Stores的Levine先生
This is my second year of college, I'm a sophomore.
这是我上大学的第二年，我是二年级学生。
What you said was quite true.
你所说的完全符合事实。