boon [bu:n]

以下由轻松背单词网站提供

n.恩赐，恩物，恩惠

something that is very helpful and improves the quality of life

A car is a real boon when you live in the country. 在郊外居住，有辆汽车确实极为方便。
These machines have proved a real boon to disabled people. 事实证明这些机器让残疾人受益匪浅。