蚯蚓做了使土壤透气的重要工作。
蚯蚓钻土很深。
蚯蚓、小龙虾和蝌蚪都是实例。
和人类比较起来，蚯蚓的身体结构要简单多了。
The anatomy of an earthworm is much simpler than that of a man.
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。
The hard shell on a beetle is an outside protection, as is the "skin", called cuticle, of an earthworm.
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 。
When genetic characterization of the contents of beetle guts gave some unexpected results, the researchers decided to take a closer look at earthworm DNA.
束带蛇通过 VNO探测到来自蚯蚓（它们最喜欢的食物之一）的化学信号，然后它们利用这个信号来追踪它们的猎物。
Garter snakes detect a chemical signal from earthworms—one of their favorite foods—via the VNO, and they use this signal to track their prey.
我是多么怀念那些我们在屋后的树林里玩耍的日子啊，那时我们在那里挖蚯蚓，追逐鸟儿。
How much I have missed the days when we played in the woods behind our houses, where we dug up some worms, chasing the birds.
蚓激酶在蚯蚓的生理盐水提取物中很容易获得，广泛分布于消化道的肠腔。
Lumbrokinase was readily obstained in saline extracts of the earthworm, widely distributed in the entocoele of alimentary tract.
那只小鸡从土里啄出一条蚯蚓。
蚯蚓被切成两段后可以重新生长。
我们把剩下的蚯蚓放了吧。
把蚯蚓装在鱼钩上作为钓饵。
蚯蚓可以用来做什么？
在粮食生产方面，蚯蚓扮演极为重要的作用。
丹尼尔：那我们去抓些蚯蚓吧。
几周之内，蚯蚓就会移动到新垫料中。
1492年之前，蚯蚓在北美大陆的数量为0。
研究人员们曾发现藏有一千多条蚯蚓的这类贮藏库。
Researchers have discovered such larders with over a thousand earthworms in them.
因为蚯蚓和其他昆虫一样有着一套完整的生物学构造。
Because earthworms are as biologically complex as any insect.
两小时后，将仍然停留在垫料表面的蚯蚓拿走。
Remove any worms that remain on top of the bedding after two hours.
每天处理半公斤食物垃圾大约需要一公斤蚯蚓。
You need about a kilogram of worms for each half a kilogram of daily food waste that you add.
假如你身高只有一寸，你或许会骑着蚯蚓去学堂。
If you were only one inch tall, you'd ride a worm to school.
这是我为你精心制作的小盒子，里面装满了好多蚯蚓。
你可以在家使用食物垃圾来制作堆肥，蚯蚓有无皆可。
You can make compost from food waste at home with or without the help of worms.
他们最初是研究农场的甲虫吃什么，而蚯蚓是甲虫最喜爱的一种食物。
They were originally studying what farm beetles eat, and earthworms are one of their favorite meals.
“什么，”他的妈妈惊讶的说：“你在和那条蚯蚓玩吗？”
"Why," demanded his mother, "are you playing with that worm?"
泰国一名29岁的消防员每天生吃一条蚯蚓使身体保持健康。
A firefighter from Thailand says he eats a live worm every day to stay healthy.
可是，即使是受过训练的眼睛，也可能很难把两种蚯蚓分辨开。
But even to the trained eye, two species of earthworms can be tough to tell apart.
因此几乎可以肯定的是，正是殖民者引进的植物的球根带来了蚯蚓。
So, almost certainly, did the rootballs of plants that the colonists imported.
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