v.爬行；卑躬屈膝；自由式游泳
n.爬行；匍匐而行；[体]自由式游泳
The baby is just learning to crawl. 那个婴儿正在学习爬行。
Soldiers quietly crawl to advance to enemy. 士兵们悄悄地向敌人匍匐前进。
You must not crawl into the favor of your superiors. 你不应卑躬屈膝地讨好你的上司。
European children learn the breast stroke; they often don't know how to crawl. 欧洲小孩学习蛙泳；他们经常不知道怎样进行自由式游泳。
用作名词 (n.)The crawl of snake is terrifying. 蛇爬行起来真可怕。
It was not a walk, not a run; it was a crawl. 这不是走，也不是跑，而是爬。
He can swim breaststroke, backstroke and crawl. 他会游蛙泳、仰泳和自由泳。
I'm best at the crawl, but I enjoy the breast stroke, too. 我最擅长自由式，但也喜欢蛙式。
crawl用作动词的基本意思是“爬行”,指腹部或双膝和手贴地爬行; 也可指“徐缓而行”,多用于指车辆缓慢前进,间或也可用于指时间。crawl与介词to搭配,意为“巴结,奉承”,多用于指下级对上级; 与介词with搭配,意为“爬满…,满是”。
adj.爬行的；拥挤的
n.履带牵引装置；爬行物；马屁精
