Simu
abbr. stellar inertial measuring unit 天体惯性测量设备
🗣️ 情景例句
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
Nothing is given so freely as advice.
劝人最容易。
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。