fast的副词的比较级
fast的副词比较级faster；
faster
adj. 更快的
adv. 更快地
例句
I cant run any faster.
我不能跑得更快了。
Her heart beat faster.
她的心跳加快。
Babies lose heat much faster than adults.
幼儿散热比成人快得多。
The searchers spread out to cover the area faster.
搜索人员分散开来，好更快地搜索这一地区。
He was over a second faster than his previous best time.
他比自己以前的最好成绩快了一秒多。