the brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forest
例句
用作名词 (n.)
A rabbit ran into the underbrush. 一只兔子跑进了矮树丛。
To a great extent, the increase in fires stems from a buildup of excess fuel, particularly deadwood and underbrush. 大体而言，火灾发生次数增多，起因于燃料过度累积，尤其是枯木和矮树丛的累积。
美
['ʌndərbrʌʃ]
