Spaceflight
n. 外层空间飞行
🗣️ 情景例句
have become good friends, haven't you?
成了好朋友，不是吗？
I'm mad at myself.
我生自己的气。
Large groups of Native Americans were forced to move away form their old hunting grounds.
成批成批的美洲土著人被迫从他们原来的狩猎场迁走。