英语词汇“helpfulness”的意思、释义、用法及双语翻译-时代网

词汇	helpfulness
释义	noun Adult learners rated the helpfulness of various strategies differently. We were very impressed with the friendliness and helpfulness of the locals.
随便看	Business basics-topic rate of return Business basics-topic R & D Business basics-topic R & D Business basics-topic recall Business basics-topic recall Business basics-topic reject Business basics-topic reject Business basics-topic rep Business basics-topic rep Business basics-topic research and development Business basics-topic research and development Business basics-topic restrictive practices Business basics-topic restrictive practices Business basics-topic revenue Business basics-topic revenue Business basics-topic sell Business basics-topic sell Business basics-topic service industry Business basics-topic service industry Business basics-topic sleeping partner Business basics-topic sleeping partner Business basics-topic speculate Business basics-topic speculate Business basics-topic speculation Business basics-topic speculation 怫怫郁怯怯场怯头怯脑怯弱怯懦怯生生怯阵怵怹总总之总体总共总则总务总动员总司令总和总工总归总得总括总揽

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