The hard shell on a beetle is an outside protection, as is the "skin", called cuticle, of an earthworm.
甲壳虫身上的硬壳是外表保护层，就像蚯蚓的“皮肤”，它叫角质层。
When genetic characterization of the contents of beetle guts gave some unexpected results, the researchers decided to take a closer look at earthworm DNA.
当甲虫内脏内容物的遗传特性显示出一些意想不到的结果时，研究人员决定进一步研究蚯蚓的 DNA 。
The anatomy of an earthworm is much simpler than that of a man.
和人类比较起来，蚯蚓的身体结构要简单多了。
蚯蚓生活在土中。
The earthworm is a useful animal.
蚯蚓是一种有用的动物。
An earthworm is a terricolous organism.
蚯蚓是陆生的生物。
I ate a whole earthworm when I was five.
五岁时，我吞下了一整条蚯蚓。
That chick pecks out an earthworm from the earth.
那只小鸡从土里啄出一条蚯蚓。
The oral opening in an earthworm is small.
蚯蚓的口是很小的。
The earthworm lives in moist and warm soil.
蚯蚓生活在潮湿温暖的土壤里。
Earthworm channels greatly aid root growth.
蚯蚓洞穴极有助于植物根系生长。
Many nematodes occur in the tissues of earthworm.
蚯蚓组织中有许多种线虫。
The earthworm slithered noiselessly over his foot.
蚯蚓悄悄从他脚上爬过。
Still it showed no anger; it behaved as if it were an earthworm.
它的举动就像蚯蚓一样，仍然没有表现出愤怒。
Earthworm populations in arable soils in the United States may be destroyed by frost.
在美国可耕地中蚯蚓的种群会被冰冻所毁坏。
It hasn't been reported that the coelomic fluid of earthworm shows nuclease activity.
但对体腔液核酸酶活性却未见报道。
The degree of individual earthworm enduring the toxicity of heavy metals varied greatly.
蚯蚓个体对重金属毒性的耐受程度差别较大。
First, we chose a good place. Then my father helped me put an earthworm onto the fishhook.
首先，我们选择了一个好地方，然后我父亲帮我把蚯蚓挂在鱼钩上。
Mom: because the earthworm younger brother will drill the earth, the earth will protect him!
妈妈：因为蚯蚓弟弟会钻土，大地会掩护他啊。
As soon as it came near, he recited a mantra, and the snake lay at his feet like an earthworm.
它很快地走得更近了，他背诵了一段咒语，蛇像蚯蚓一样向他攻击。
The results showed that earthworm had obvious influences on the number of soil microorganisms.
结果表明：接种蚯蚓显著提高了温室土壤中不同微生物类群的数量。
The hard shell on a beetle is an outside protection, as is the "skin, " called cuticle, of an earthworm.
甲壳虫身上的硬壳是外表保护层，蚯蚓的“皮肤”，叫角质层，也是保护层。
Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.
比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。
The progress in the antitumor effect and mechanism of earthworm active extracts is discussed in this paper.
文章主要综述了蚯蚓活性成分的抗肿瘤作用及其各种机制的研究进展。
With the increase of concentration of time, the enrichment of heavy metal in the earthworm has been changed.
随着富集时间的增加，蚯蚓富集的重金属的量也随之发生波动。
When the murmur and chirp of the early bird is first heard by the earthworm, it squirms in the earth nervously.
当蚯蚓最初听到早起的鸟儿声音或低或高地鸣叫时，它在土里面不安地蠕动。
You can't explain that you were late for the third time this month because you were researching the life of an earthworm.
你不能解释这个月第三次迟到的原因是你在研究蚯蚓。
In this paper, for the several kinds of domestic garbage of cultivating earthworm, the physical and chemical compositions are analyzed.
本文对不同来源的生活垃圾养殖蚯蚓后的肥效成份进行丁理化分析。
In this paper, for the several kinds of domestic garbage of cultivating earthworm, the physical and chemical compositions are analyzed.
本文对不同来源的生活垃圾养殖蚯蚓后的肥效成份进行丁理化分析。
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