brood基本解释
vt,孵；沉思,同近
Don’t sit at home brooding all day..别整天坐在家里闷闷不乐的。
沉思，郁闭地沉思英释vvto keep thinking about something that you are worried or upset about
brood over,计较（尤指忿恨不满）；郁闷地沉思.短语
