crawler
n. 履带牵引装置；爬行物；马屁精
近义词：parasite，earthworm，nightwalker，lackey，sycophant，ass-kisser，angleworm，fishworm，toady，creeper，dewworm，wiggler，nightcrawler，redworm，
英英释义
Noun
- a person who tries to please someone in order to gain a personal advantage
- a person who crawls or creeps along the ground
- terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
例句
用作名词(n.)
- We plan to use two 90T lifting slings for the 400T crawler crane.我们准备给400T履带吊机使用两条90T吊带。
- Snails and slugs are indeed a part of the creepy crawler kingdom.蜗牛和蛞蝓确实是爬行类动物王国的一部分。
- 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。