/skrʌb ||; skrʌb/noun1 [sing] an act of cleaning sth by rubbing it hard, often with a brush 擦洗;擦净: This floor needs a good scrub. 地板需要彻底擦洗一下。
2 [U] small trees and bushes that grow in an area that has very little rain 矮树丛;灌木丛
3 (also ˈscrubland /ˈskrʌblənd ||; ˈskrʌbˌlænd/) [U] an area of dry land covered with small bushes and trees 丛林干地