英语词汇“helpfulness”的释义、用法及例句-英汉例句词典

词汇	helpfulness
例句	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	greenness green roof greens greens green salad green vegetable green wall greenwash green with envy greet greeted greeting greeting card greets gregarious gregariously gremlin grenade Grenadian Grexit grey grey area greybeard greyed grey-haired

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