单词	useful
释义	use·ful (ysfəl) adj. 1. Having a beneficial use; serviceable: a useful kitchen gadget. 2. Being of practical use: a useful job; useful members of society. useful·ly adv. useful·ness n.
随便看	ATV at war at will at wits' end atwitter Atwood at work at worst at. wt. atypic atypical atypicality atypically Atyrau Au AU A.U. aubade aubergine Aubrey Aubrey Vincent auburn Auburn Aubusson AUC

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