形容词
1. His wife is very useful at cooking.
他的妻子擅长烹调。
2. useful的近义词
2. She gave us some useful information.
她给了我们一些很有用的信息。
3. She makes herself generally useful.
她能干各式各样的工作。
4. That is a useful knife.
那是把有用的小刀。
5. He's a useful member of the team.
他是该队的一名强手。