航天器
At the appointed time, our country will launch certain spacecrafts every year toward the space station.
届时, 我国每年都将往空间站发射若干个航天器.
How many spacecrafts have orbited the moon?
有多少艘太空船绕月球轨道运行?
How many spacecrafts are orbiting the moon?
有多少航天器绕月球轨道飞行?
简答网 · 英语词汇
简答网 · 中考英语
简答网 · 双语娱乐资讯
简答网 · 初中英语作文