Spacewalks
n. 太空漫步, 太空行走；航天艙外活動
??? 情景例句
You have to expect the unexpected in Shanghai.
在上海，你總會有意想不到的收獲。
He has that book, doesn't he?
他有那本書，是嗎？
I don't think anyone knows about this. I said.
“我想沒人知道這一情況，”我說。