Gravisat
重力测量卫星
🗣️ 情景例句
My mother promised me a birthday party with a clown.
我妈妈答应给我办一个有小丑的生日派对。
The sooner, the better.
越快越好。
Last year we helped them with the orange-picking.We really enjoyed working on the farm.
去年我们帮他们搞苹果。我们实在太喜欢在农场干活了。