b（）（）n填英文

boon 英[bu:n] 美[bun]

n. 恩惠; 福利;

adj. 快乐的; <古>慷慨的;

[例句]It is for this reason that television proves such a boon to so many people

就是因为这个原因，电视才会给这么多人带来如此大的便利。

[其他] 复数：boons