蚕

They are going to adopt new techniques in raising silkworms.

他们准备采用新的养蚕技术。

Eventually, silkworms were found in many areas throughout the world.

最后，在世界的许多地方都能找到蚕。

They are going to adopt new techniques in raising silkworms.

他们准备采用新的养蚕技术。）自考本科

It was said that the Chinese first raised silkworms.

据说，是中国人最早养蚕的。

These are the leaves silkworms live on .

这些就是蚕吃的叶子。

They increased their income by raising silkworms and so on.

他们靠养蚕等增加了收入。

They are going to adopt new techniques in raising silkworms.

他们准备采用新得养蚕技术。

You could tell that why they are called "silkworms" because that is we made silk.

现在你知道为啥它们被称为&丝蚕&了吧，就是因为可以用它们造丝绸啊。

In fact, their silk is even lighter and softer than silk from silkworms.

事实上，他们的丝绸更轻，更比蚕丝绸软。

It was said that this was how people started to raise silkworms in China.

据说中国人就是这样开始养蚕的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。