Gravisat
重力测量卫星
🗣️ 情景例句
She grabbed the chance to travel abroad.
她抓住机会到国外旅行。
Rodney began to sob with grief.
罗杜尼悲伤得开始哭了起来。
When you rescued your trousers, did note in your back pocket? When you rescued your trousers, did you find the note was whiter than white?
当你把裤子抢救出来时，你有没有发现那张纸币已经变得比白纸还白？