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汉语拼音：qiū yǐn

环节动物，身体柔软，圆而长，环节上有刚毛，生活在土壤中，能使土壤疏松，它的粪便能使土壤肥沃，是益虫。

1. 环节动物。体形圆长而柔软，经常穿穴泥中，能改良土壤，有益农事。

   《礼记·月令》：“﹝孟夏之月﹞螻蟈鸣，蚯蚓出。”《淮南子·时则训》引作“蚯螾”。 晋 崔豹 《古今注·鱼虫》：“蚯蚓，一名蜿蟺，一名曲蟺。” 唐 赵元一 《奉天录》卷四：“龙蟠虎踞之地，非蚯蚓之所居；麟穴凤巢之场，岂鵂鶹之所止。” 宋 俞琰 《席上腐谈》卷上：“ 崔豹 《古今注》云：‘蚯蚓一名曲蟮，善长吟於地下， 江 东人谓之歌女。’谬矣。按，《月令》：‘螻蟈鸣，蚯蚓出。’盖与螻蟈同处，鸣者螻蟈，非蚯蚓也。 吴 人呼螻蟈为螻蛄。故谚云：‘螻蟈叫得肠断，曲蟮乃得歌名。’” 老舍 《二马》第四段十一：“ 老马先生 背着手在草地上扭，脚步很轻，恐怕踩死草根下伏着的蚯蚓。”

• One morning, I saw earthworms crawling all over the road and my balcony as well. In addition, they had already turned black.

  一天早上，我看见路上爬满了蚯蚓，我家一楼乘凉的阳台上也爬满了，并且已经发黑了。

• "The complexity of a computer as it exists today is probably less than the brain of an earthworm, " he said.

  “一个电脑，因为它目前存在的复杂性可能比少的蚯蚓的大脑，”他说。

• Earthworms burrow and bring rock particles to the surface to be acted upon by heat, cold, air and water.

  蚯蚓挖洞而把岩石颗粒带到地表，使它们经受热，冷、空气和水的作用。

• Earthworms are ideal "soil detectives" : their presence can act as a reliable indicator to the general health of the soil.

  蚯蚓是理想的“土壤侦探员”：蚯蚓的出现可以作为一种可靠的指示，可以说明土壤清洁度的大体状况。

• Earthworms have been used in testing pregnancy .

  蚯蚓被用于妊娠反应试验。

• The worm's waste, or castings, should be ready to use as compost within two to six months.

  两到六个月内，蚯蚓的排泄物就能够作为堆肥使用了。

• It is estimated that in one year fifty thousand earthworms carry about eighteen tons of the fine soil to the surface of an acre of land.

  据估计，五万条蚯蚓一年内能在一英亩的土地上制造大约十八吨优良土壤。

• The best time to see earthworms is at night, especially a cool, damp night.

  观察蚯蚓的最佳时间是晚上，尤其是在凉爽，潮湿的夜晚。

• He put an earthworm into the distilled water and it swam beautifully and came up to the top.

  他在蒸馏水里放一条蚯蚓，蚯蚓欢快地游动，很快浮了上来。