n. 1.爬行者，爬行动物，爬虫。 2.〔美口〕蛇蜻蜓的幼虫；虱子。 3.拍马屁的人；懒汉。 4.〔英口〕(沿街兜生意的)出租汽车。 5.〔主 pl.〕〔英国〕(婴孩的)爬服，罩衣。 6.自由式游泳者。 7.履带式牵引车。
terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers 同义词：earthworm, angleworm, fishworm, fishing worm, wiggler, nightwalker, nightcrawler, dew worm, red worm,
a person who crawls or creeps along the ground 同义词：creeper,
a person who tries to please someone in order to gain a personal advantage 同义词：sycophant, toady, lackey, ass-kisser,
例句与用法
1.
The launcher and vehicle are then transported to the firing pad by a crawler . 发射器和飞行器由一个爬行轨道送到点火台。
2.
Then the launcher and vehicle are transported to the firing pad by a crawler . 然后，发射器和飞行器由一个爬行轨道送到点火台。
3.
The launcher and vehicle are then transported to the firing pad by a crawler and secured in place for final check-outs . 然后，发射器和飞行器由一个爬行轮道运送到点火站，并在此处固定起来以便作最后调整。
4.
Crawler excavators with electric power . basic parameter 履带式电动挖掘机基本参数
5.
Crawler bulldozer . bolts for drive sprocket segment 履带式推土机.驱动轮齿块用螺栓
6.
Crawler excavators with electric power . specification 履带式电动挖掘机技术条件
7.
Implementation of a load moment limiter for crawler crane 履带式起重机力矩限制器的实现
8.
Crawler bulldozer . nuts for track shoe and sprocket segment 履带式推土机.履带和齿块用螺母
9.
Crawler bulldozer . sprocket segment for drive 履带式推土机.驱动轮齿块
10.
Application of an improved pagerank in web crawler 信息搜集中的应用
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