17) beneficialadvantageousbenefieialbenignantconduciveedifyinggoodhelpfulinformativeinstructiveprofitablerewardingsalutaryusefulwholesome有益: profitable; beneficial; usef ...的: 4次方是 The fourth power of 2 i ...对……有益的: be good for有利的, 有益的: advantageous有益的,报答的: rewarding adjective下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:有益的,即可在微信中查询翻译