useful

usefulusefulD.J.:[ˈju:sful]K.K.:[ˈjusfəl]adj.1.■有用的, 有益的, 有帮助的He's a useful person to know.他是个应该结交的有帮助的人。Information about people's language ability is often very useful.有关人们语言能力的信息经常是很有用的。The computer is useful in processing data.电子计算机在处理资料方面很有用。It is very useful for a person to know how to swim.对一个人来说会游泳是很有用的。2.■令人满意的The England cricket team scored quite a useful total.英格兰板球队得分总数令人满意。

---

useful['ju:sful]adj.1.■有用的；有帮助的；有益的；有实际使用价值的make oneself useful帮忙

usefuluseful[ˈju:sful]adj.1.■有用的; 有益的; 有效的; 有帮助的2.■[俚] 值得称赞的; 精通...的(at)a pretty useful performance相当精采的演出She makes herself generally useful.她能干各式各样的工作。He's a useful member of the team.他是该队的一名强手。His wife is very useful at cooking.他的妻子擅长烹调。

---

继承用法usefullyadv.usefulness[ˈju:sfʊlnɪs]n.