vanguard造句

The company is proud to be in the vanguard of scientific progress.
这家公司以处于科学发展的领先地位而自豪。

They are in the vanguard of technological advance.
他们是技术发展的先导.

In a way they played a vanguard role.
在某种意义上说,他们起了先锋的作用.

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