be useful
短语词组
- Also Be Extremely Useful 也極有用
- be very useful t 精通
- be very useful at 精通;精曉
- be e useful to 對…有用
- be also useful as 作爲
- be very useful to understand 理解它非常有用
- be a useful supplement to 對……有益補充
- be very useful for us 對我們很有用
- seem to be useful 似乎有作用 返回 be useful