一个人这一年从事的是设计和开挖一条运河，下一年可能做的就是制造和发射一门新大炮。

A man who designed and cut a canal one year might well be building and shooting a new cannon the next.

youdao

一个人这一年从事的是设计和开挖一条运河，下一年可能做的就是制造和发射一门新大炮。

A man who designed and cut a canal one year might well be building and shooting a new cannon the next.

youdao