Simu
abbr. stellar inertial measuring unit 天体惯性测量设备
🗣️ 情景例句
She won the first place in a speech contest.
她在演讲比赛中获得很第一名。
I'm afraid you will be discouraged.
我怕你会灰心。
But we've got some brown ones.
但我们有几双棕色的。