Gravisat
重力测量卫星
🗣️ 情景例句
Here's your cinnamon, Pop.
这是你要的肉桂， 爸爸。
I would like to enlarge this film.
我要放大这底片。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。