helpful

'helpful

自考高考四级六级考研托福 Collins 2

a. providing assistance or serving a useful function

a. 有帮助的, 有益的, 有用的

Collins 星级

Oxford 级别

2,582

BNC 频率

3,054

使用频率

helpful 由词根 help（帮助）和后缀 -ful（充满...的）组成，表示“充满帮助的”或“有帮助的”。

例句

1. The instructions were very helpful for understanding the new software.

这些说明对理解新软件非常有帮助。

2. It is helpful to review your notes before the exam.

考前复习你的笔记是很有帮助的。

3. She gave me helpful advice on how to improve my writing.

她给了我有帮助的建议，告诉我如何提高写作。