Caterpillars change into butterflies.

毛虫变成蝴蝶。

Caterpillars eat the young leaves of this plant.

毛毛虫吃这种植物的嫩叶。

After a few days the caterpillars stopped feeding.

几天后毛虫停止了进食。

The caterpillars feed on a wide range of trees, shrubs and plants.

毛虫以各种树木、灌木丛和植物为食。

The caterpillars grow and they're big and fat.

毛毛虫逐渐长大，他们又大又胖。

Caterpillars of monarch butterflies feed exclusively on milkweed leaves.

黑脉金斑蝶的毛虫只吃马利筋的叶子。

Merian started raising insects at home, mostly butterflies and caterpillars.

梅里安开始在家里饲养昆虫，主要饲养蝴蝶和毛毛虫。

Phenols also make the eggs smaller, which reduces the growth of the following year's caterpillars.

酚类物质还会使卵变小，这会减少第二年毛虫的生长。

For these reasons, the benefits to the caterpillars of ingesting phenols appear to outweigh the costs.

出于这些原因，对毛毛虫来说，摄入苯酚的好处似乎比代价多。

These noxious substances limit caterpillars' growth and reduce the number of eggs that female moths lay.

这些有毒物质会限制毛毛虫的生长，减少雌蛾产卵的数量。

Forest stands of red oaks, with their tannin-rich foliage, may even provide caterpillars with safe havens from disease.

红栎树的林分枝的叶子富含鞣酸，甚至可以为毛毛虫提供远离疾病的安全避难所。

When, in experiments, these caterpillars were fed milkweed leaves dusted with pollen from modified maize plants, they died.

在实验中，这些毛毛虫被喂食沾有转基因玉米花粉的马利筋叶子，然后它们死亡了。

These crystals reenter the environment after the insect dies and decomposes, thus becoming available to infect other caterpillars.

这些晶体在昆虫死亡和分解后重新进入该环境，从而可以感染其他毛虫。

The defoliation of millions of acres of trees by massive infestations of gypsy moth caterpillars is a recurring phenomenon in the northeastern United States.

在美国东北部，舞毒蛾毛虫的大规模侵扰导致数百万英亩的树木落叶，这是一个反复出现的现象。

The gypsy moth is also subject to attack by the nucleopolyhedrosis virus, or wilt disease, a particularly important killer of the caterpillars in outbreak years.

舞毒蛾还会受到核多角体病毒或萎蔫病的攻击，在毛虫爆发的年代，这是一种特别重要的杀手。

They found that on tannin-rich oak leaves, the virus is considerably less effective at killing caterpillars than when it is on aspen leaves, which are lower in phenols.

他们发现，在富含单宁酸的橡树叶上，病毒杀死毛虫的效果要比在白杨树叶子上的效果差得多，因为白杨树叶子的酚含量较低。

When the caterpillar dies, the virions are released to the outside, encased in a new protein globule synthesized from the caterpillar's tissues and ready to be picked up by other caterpillars.

当毛毛虫死亡时，病毒粒子被释放到外面，被包裹在由毛毛虫的组织合成的新的蛋白质小球中，并准备被其他毛毛虫吸收。

"You should watch the caterpillars carefully every day." Mr. White said and wrote some instructions on the blackboard.

“你们要每天仔细观察毛毛虫。”怀特先生边说边在黑板上写了一些说明。

My class started doing a special project in which we raised butterflies from caterpillars, and all of us watched the insects in our laboratory.

我们班开展了一项特别的课题，把毛毛虫养成蝴蝶，我们所有人都在实验室里观察这些昆虫。

Scientists think this is the plants' way to prevent the spread of any tree diseases and make life more difficult for leaf-eating insects like caterpillars.

科学家认为，这是植物防止树木疾病传播的方法，并给像毛毛虫之类的食叶昆虫制造些生存上的困难。

During the following days, one of your tasks is going to find out what will happen to these caterpillars and what you have learned from the project.

在接下来的几天里，你们的任务之一是找出这些毛毛虫会有什么变化，以及你们从这个课题中学到了什么。

Further research has shown that caterpillars become virtually immune to the wilt virus as the trees on which they feed respond to increasing defoliation.

进一步的研究表明，毛虫对萎蔫病毒几乎具有免疫力，因为它们赖以为生的树木会对越来越多的落叶做出反应。

Caterpillars turned into butterflies.

毛虫会变成蝴蝶。

What lovely caterpillars are over there!

看那边的毛毛虫多可爱啊！

John: Daddy, are caterpillars good to eat?

约翰：爸爸，毛毛虫能吃吗？

So far, caterpillars seem to have the upper hand.

目前，毛毛虫稍占上风。

Y: I didn't know caterpillars were territorial.

我都不知道毛虫还有领地呢！

The caterpillars grow.This caterpillar is big and fat.

这毛虫渐渐成长。这个毛虫是大的和肥的。

He sampled the taste of thirty-three different caterpillars.

他尝过33种不同毛虫的味道。