/ 9benI5fIFl; 9bZnE`fIFEl/ adj ~ (to sth/sb) having a helpful or useful effect; advantageous 有益的; 有用的; 有好处的: a beneficial result, influence, etc 有益的结果﹑ 影响等 * Fresh air is beneficial to one's health. 新鲜空气有益於健康. > beneficially / -FElI; -FElI/ adv.