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in the underwood
underwood 通常作不可数名词，指林下的灌木和矮树丛；此处 the 表示特指某片林地。
Birds nested in the underwood.
鸟儿在林下灌丛中筑巢。
林下灌丛；下木
先理解核心含义，再看它在真实句子里的用法。
林下灌丛；下木
the brush (small trees, bushes, ferns, etc.) growing beneath taller trees in a wood or forest
Birds nested in the underwood.
鸟儿在林下灌丛中筑巢。
林下灌木层；下层草木。
Underbrush, undergrowth.
安德伍德打字机公司的打字机。
A typewriter made by the Underwood Typewriter Company.
The forest floor was thick with underwood, making the hike slow.
林地上长满了茂密的下木，使得徒步变得缓慢。
Birds often nest in the underwood near the stream.
鸟类常在溪流附近的林下灌丛中筑巢。
We cleared some underwood to open up the woodland path.
我们清除了一些林下灌丛，以拓宽林间小道。
underwood 通常作不可数名词，指林下的灌木和矮树丛；此处 the 表示特指某片林地。
Birds nested in the underwood.
鸟儿在林下灌丛中筑巢。
表达“某处的林下灌丛”时，用 the underwood of... 结构。
The underwood of the old forest shelters many insects.
这片老森林的林下灌丛庇护着许多昆虫。
an area of 用于不可数名词前，表示“一片”区域。
We pushed through an area of underwood.
我们穿过一片林下灌丛。
Not this
We saw an underwood near the river.
Use this
We saw some underwood near the river.
underwood 是不可数名词，表示林下灌丛这一整体，不能直接用不定冠词 a/an，也不能加复数。应用 some 或零冠词。
Not this
The birds are hiding under the underwood.
Use this
The birds are hiding in the underwood.
underwood 本身指灌木、树丛等植被，而不是位于某物下方的位置，因此表示在灌丛中要用介词 in，而不是 under。词中的 under- 容易让人误以为需要用 under，但语义上应在植被内部。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
茂密的林下灌丛
We had to push through the dense underwood to reach the clearing.
我们不得不穿过茂密的林下灌丛才能到达空地。
浓密的林下植被
The thick underwood made the forest almost impenetrable.
浓密的林下植被使这片森林几乎无法穿越。
清除林下灌丛
The gardeners cleared the underwood to reduce the risk of fire.
园丁们清除了林下灌丛以降低火灾风险。
林下植被
The underwood growth provides shelter for many small animals.
林下植被为许多小动物提供庇护。
穿过林下灌丛
The dog ran through the underwood chasing the rabbit.
狗穿过林下灌丛追赶兔子。
Use underwood naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
underwood = under（在…下面）+ wood（树林）：想象大树下面那片低矮的灌木丛，就是林下灌丛。
语域：formal 常见场景：林业、生态学、文学描写 该词比较正式，日常口语中较少使用，多用于林业、生态学或文学作品中对林下植被的描写。
这些词共享拼写结尾 -wood，且都读 /wʊd/。在 underwood 中，-wood 不重读，与重读的 wood 音位相同但重音不同，所以不算严格押韵。注意形近词 understood（/ˌʌndərˈstʊd/）以 -stood 结尾，读音和意思都不同。
Dictionary facts from ECDICT, WIKTIONARY.