be useful
短语词组
- Also Be Extremely Useful 也极有用
- be very useful t 精通
- be very useful at 精通;精晓
- be e useful to 对…有用
- be also useful as 作为
- be very useful to understand 理解它非常有用
- be a useful supplement to 对……有益补充
- be very useful for us 对我们很有用
- seem to be useful 似乎有作用 返回 be useful