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adj.有帮助的；有益的
1、pepful───充满活力
2、unhelpfully───adv.不起帮助作用地，无用地，不予帮组地
3、helpfully───adv.有益地；有用地
4、helpable───有帮助的
5、helpful tip───有用的提示
6、unhelpful───adj.无益的；不予帮助的
7、help out───帮助…摆脱困难
8、helpful hint───有用的提示
9、helpfulness───n.有益；有助
1、She made helpful comments on my work.───她对我的工作提出了有益的意见。
2、Nicolas Sarkozy, France's ever-helpful president, had to call a few places personally and ask them to open.───法国总统尼古拉斯·萨科奇，不得不亲自给几家商店打电话，让他们开门营业。
3、Role-play is helpful in developing communication skills.───角色扮演有助于提高沟通技巧。
4、And Maurice tried so hard to be helpful that he made all his friends glad because the happy "New Year" had come.───老乔和贝斯也收到了他们的礼物，莫里斯尽力帮助别人，他所有的朋友都感到高兴，因为快乐的“新年”已经到来。
5、For advanced XML users, XQuery can be very helpful in querying and extracting content out of large XML documents.───对于高级XML用户，XQuery在查询和从大型XML文档抽取内容时非常有帮助。
6、Sorry I can't be more helpful.───对不起，我帮不上更多的忙。
7、Knowing that he is coping with stress in his own way is extremely helpful but does not always help her alleviate the pain.───虽然了解那是男人处理压力的方式对她很有帮助，但却无法帮助她减轻痛苦。
8、that'd be very helpful. An extra weekend is all they really need. Thanks.───那可忙了大忙了！他们确实需要再多一个周末的时间.谢谢。
9、It would be very helpful if you could give an actual sample of your products.───要是你能给我一份实物样品的话，会很有帮助
1、Any helpful suggestions would be welcome.
2、Role-play is helpful in developing communication skills.
3、Thank you, you have been most helpful.
4、That's the most helpful book.
5、Thank you for your advice; it's been very helpful.
6、You deserve a reward for being so helpful.
7、Sorry I can't be more helpful.
8、You are very helpful in preparing my manuscript.
9、She was unfailingly courteous and helpful.