Geocenter
地球质量中心
🗣️ 情景例句
No ... OK ...
不是……好……
Sometimes I make mistakes when I speak English.
当我说英语时，有时我犯错误。
But it's true. I was the only person in my office who was invited. I've written to accept the invitation.
可这是真的。我们办公室只有我受到邀请。我已经写信表示接受邀请了。