时间:2022-08-05 20:27:46
蚯蚓,蛐蟮;鄙夫,小人。
terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
同义词:angleworm, fishworm, fishing worm, wiggler, nightwalker, nightcrawler, crawler, dew worm, red worm,
An earthworm is a tube-shaped, segmented animal that is commonly found living in soil. Its digestive system runs straight through its body, it conducts respiration through the cuticle covering its skin, and it has a simple, closed blood circulatory system.
Earthworms may produce antibiotic substances .
蚯蚓可以产生抗菌物质。
The larvae of flies parasitize earthworms .
蝇的幼虫寄生在蚯蚓上。
The earthworm population had declined by 70% .
蚯蚓数量下降70。
Earthworms have been eaten to cure impotency .
服蚯蚓可治疗阳萎。
The ova of earthworms are contained in cocoons .
蚯蚓的卵是包在茧里的。
Earthworms have been used in testing pregnancy .
蚯蚓被用于妊娠反应试验。
Earthworm channels greatly aid root growth .
蚯蚓洞穴极有助于植物根系生长。
An earthworm is a terricolous organism .
蚯蚓是陆生的生物。
Earthworms comminute the mineral fraction of soils .
蚯蚓粉碎土壤中的无机物碎片。
Many species of earthworms produce cocoons through the year .
许多种蚯蚓全年产茧。