Geocenter
地球质量中心
🗣️ 情景例句
Well, that would be OK
那倒没有什么关系
Between two stools one goes the ground.
脚踩两只船，早晚要落水。
Soon afterwards, the balloon began to descend and it landed near an airfield.
不久，气球开始降落，在一个停机坪附近着了陆。