contain:if sth contains sth else, it has that thing inside it or as part of it 包含;含有;容纳
This drink doesn't contain any alcohol.
这种饮料不含任何酒精.
Her statement contained one or two inaccuracies.
她的陈述有一两处不准确.
a brown envelope containing a hundred dollar bills
装有一百张一元钞票的棕色信封
The bottle contains(= can hold)two litres.
此瓶容量为两升.
fit:healthy and strong, especially because you do regular physical exercise 健壮的;健康的
Top athletes have to be very fit.
顶级运动员体格必须十分健壮.
He won't be fit to play in the match on Saturday.
他身体不适,不能在星期六出场比赛.
She tries to keep fit by jogging every day.
她每天慢跑以保持健康.
He's been ill and isn't fit enough for work yet.
他一直有病,还不能上班。 British English
I feel really fighting fit(= very healthy and full of energy).
我觉得十分健康,精力充沛.
indulge:to satisfy a particular desire, interest, etc. 满足(欲望、兴趣等)
The inheritance enabled him to indulge his passion for art.
这笔遗产使他能够尽情投入他热爱的艺术.