useful

US /ˈjuːs.fəl/

UK /ˈjuːs.fəl/

1.

有用的, 有益的

able to be used for a practical purpose or in several ways

:

•

This tool is very useful for fixing small electronics.

這個工具對於修理小型電子產品非常有用。

•

She gave me some very useful advice.

她給了我一些非常有用的建議。

:

helpful beneficial practical effective valuable

:

useless unhelpful

:

us use used used to use up make use of single-use