keep名词形式为keeping
例句
1、
I go swimming every day in order to keep fit.
我每天游泳以保持健康。
2、
You'll need to keep a clear head for your interview.
你面试时需要保持清醒的头脑。
3、
It is important to keep calm in an emergency.
情况紧急的时候,保持镇静是重要的。
keep的名词形式
keep.,保管,饲养,保持,它的名词形式是keeper,保管人,饲养员。如:They are running to the keeper.