单词详解

adj.

给予帮助的，有益的 (providing assistance or serving a useful function)

I think it is very helpful for students to pronounce correctly.

我认为能正确发音对学生很有帮助。

相关词组

be helpful to有助于……，有用于……

These methods are unlikely to be helpful to him. 这些方法对他未必有用。