很有用 的中文句子和英文句子

这本参考书对我们的研究很有用。

This reference book is very useful to our study.


胆汁的分泌对我们的身体很有用处。

The secretion of bile is useful for our bodies.


他这件带兜帽的夹克在今年冬天对他很有用。

His anorak has stood him in good stead this winter.


蟾蜍外表丑陋，但很有用。

Toads have an ugly appearance but they are useful.