helpful
英 ['helpfʊl; -f(ə)l]
美['hɛlpfl]
	    - adj. 有帮助的;有益的
 
英英释意
- 1. providing assistance or serving a useful function
 
- 2. of service or assistance;
 - "a child who is helpful around the house can save the mother many steps"
 
- 3. showing a willingness to cooperate;
 - "a helpful cooperative patient"
 - "parents hope to raise children who are considerate and helpful to others"