in the undergrowth
undergrowth 通常作不可数名词，指林下茂密的灌木和矮树。
A rabbit was hiding in the undergrowth.
一只兔子藏在矮树丛中。
下层灌木丛；林下矮树丛
undergrowths — plural of undergrowth
森林中高度较低的植物(如灌木和矮树丛)。；森林或树林中生长在较高树木之下的灌木(小树、灌木丛和蕨类等)；下层丛林；生于大树下的矮树；发育不全
small trees, bushes, and ferns growing beneath taller trees in a forest
森林中高度较低的植物(如灌木和矮树丛)。
The plants in a forest which only reach a relatively low height (such as shrubs and bushes).
森林或树林中生长在较高树木之下的灌木(小树、灌木丛和蕨类等)
the brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forest
We had to push through the thick undergrowth to find the path.
我们不得不穿过茂密的下层灌木丛才能找到小路。
用法提示：此处 undergrowth 指树林下生长的矮树和灌木丛，作不可数名词。
Birds often build their nests in the safe undergrowth along the river.
鸟儿常在河岸安全的下层灌木丛中筑巢。
用法提示：undergrowth 在本句指河边低矮的草木丛，突出其作为动物栖息地的含义。
The gardener cleared some undergrowth to let more sunlight reach the young trees.
园丁清理了一些下层灌木丛，让更多阳光照到幼树。
用法提示：undergrowth 表示林下矮树丛，动词 clear 与之搭配表示清除。
undergrowth 通常作不可数名词，指林下茂密的灌木和矮树。
A rabbit was hiding in the undergrowth.
一只兔子藏在矮树丛中。
They pushed their way through the undergrowth.
他们从矮树丛中挤出一条路。
可用 a patch of 表示“一片矮树丛”。
There was a patch of undergrowth near the wall.
墙边有一片矮树丛。
与 undergrowth 几乎同义，美式英语常用；但 underbrush 更侧重灌木，undergrowth 还可泛指林下草木和蕨类。
brush 较非正式、宽泛，不强调一定位于大树之下；undergrowth 明确指林地高大树木下方的植被。
scrub 常指干旱或贫瘠地带的低矮灌木，侧重生长环境，而不是特定位于林下。
thicket 强调一丛茂密簇生的灌木或小树，不一定带‘林下’的方位含义。
underwood 与 undergrowth 含义接近，但更书面，多指林下小树，不如 undergrowth 常用。
grammar · medium
易错句子The children hid in an undergrowth.
正确表达The children hid in a patch of undergrowth.
undergrowth 是不可数名词，不能用不定冠词 an 直接修饰；表示“一片灌木丛”时需借助 a patch of 这类量词结构。
grammar · medium
易错句子The snake was hiding under the undergrowth.
正确表达The snake was hiding in the undergrowth.
undergrowth 本身指浓密的低矮植物，藏身其中应用介词 in，表示“在灌木丛里面”；用 under 是受汉语“在……下面”的影响。
grammar · medium
易错句子The undergrowth are very thick in this forest.
正确表达The undergrowth is very thick in this forest.
undergrowth 是不可数名词，作主语时谓语动词应用单数第三人称形式 is，不能用 are。
与 undergrowth（林下矮树丛）相对的是森林上层的树冠层，指高层树冠而非低层植被。
指森林的上层乔木层，与 undergrowth 所指的林下低矮植被形成垂直层次上的对立。
underbrush 特指灌木和小矮树；undergrowth 还包括蕨类等低矮草木。
thicket 指一片稠密的灌木或小树丛，不强调在大树下；undergrowth 强调的是林下植被层。
undergrowth 是名词，指林下灌木丛；undergrown 是形容词，表示发育不全或长得不够大，二者词性不同。
茂密的下层灌木丛
We had to cut our way through dense undergrowth.
我们不得不砍出一条路穿过茂密的下层灌木丛。
缠绕纠结的矮树丛
Birds nested in the tangled undergrowth.
鸟儿在缠绕纠结的矮树丛中筑巢。
林下灌木丛
Many small animals live in the forest undergrowth.
许多小动物生活在林下灌木丛中。
穿过下层灌木丛
The hiker pushed through the undergrowth to reach the trail.
徒步者穿过下层灌木丛才回到小路上。
藏在灌木丛中
The rabbit hid in the undergrowth when it heard the noise.
兔子听到响声后藏进了灌木丛中。
under- (在…下面) + growth (生长)
under- (在…下面) + ground (地面)
under- (在…下面) + water (水)
grow (生长) + -th (名词后缀)
直到它消失在灌木丛中。
In Robert Frost's poem 'The Road Not Taken,' the speaker looks down one path until it vanishes into the undergrowth.
在罗伯特·弗罗斯特的诗《未选择的路》中，说话者沿着一条小路望去，直到它消失在灌木丛中。
Dictionary facts from ECDICT, WIKTIONARY.