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词汇 couch-grass
释义 couch grass
noun[ U ]
mainly UKuk /ˈkaʊtʃ ˌɡrɑːs/ us /ˈkaʊtʃ ˌɡræs/(US usuallyquackgrass)
a kind of grass that spreads quickly, and is mostly considered a weed(= an unwanted plant):
Although couch grass is difficult to eradicate from a lawn, it can be controlled.
Before planting, clear the ground of all perennial weeds, particularly couch grass, ground elder, and bindweed.
To prevent regrowth, she said, you need to remove the individual roots of couch grass.
There were thistles, docks, creeping buttercup, and couch grass in the vegetable garden.
Prior to the experiment, the vegetation was mainly couch grass, with some clover.
SMART Vocabulary: related words and phrases

Types of plant
acanthus
air plant
amaranth
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evergreen
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