Perhaps its a sad note that NASA's best days are behind it.

也许它是个令人遗憾的消息表明美国航空航天局的辉煌的时刻还在这次飞行任务之后。

youdao

A bird is known by its note, and a man by his talk.

读一本好书，就是和许多高尚的人谈话。

youdao

A bird is known by its note, and a man by his talk.

读一本好书，就是和许多高尚的人谈话。

youdao