Last week, astronauts on the International Space Station had an unwelcome visitor.

上周，国际空间站的宇航员们遭遇了一位不受欢迎的访客。

youdao

Last week, astronauts on the International Space Station had an unwelcome visitor.

上周，国际空间站的宇航员们遭遇了一位不受欢迎的访客。

youdao