Gravisat
重力测量卫星
🗣️ 情景例句
Do you want manual or automatic transmission?
你的汽车想配备一个手动挡还是自动挡？
Humility is the foundation of all virtue.
谦逊是一切美德的基础。
Now a group of enthusiasts are going to have the plane restored.
一群热心人计划修复这架飞机。