| 1. | Insects' horns have various functions .
昆虫的触须有各种各样的功能。 |
| 2. | In this order the forewings are modified to form hard elytra or cases .
该目昆虫的前翅发展成坚硬的鞘翅或壳。 |
| 3. | Moreover, the juvenile hormone of insects is closely related to farnesol .
此外，昆虫的“返幼”激素和法尼醇密切相关。 |
| 4. | We see the same great law in the construction of the mouths of insects .
我们在昆虫的口器构造中也看到这一伟大的法则。 |
| 5. | Molting in insects is triggered by rising levels of a hormone called ecdysone .
昆虫的脱皮是由于称为脱皮素激素的含量升高而引起的。 |
| 6. | The voice died away and ceased, as an insect's tiny trumpet dwindles swiftly into silence .
这声音逐渐消失，就象昆虫的小喇叭嘎然而止。 |
| 7. | Wollaston is convinced that residence near the sea affects the colours of insects .
吴拉斯吞深信靠近海滨的环境，对昆虫的颜色也有影响。 |
| 8. | However, reproduction rates of some insects such as aphids are influenced by nutrition .
然而，一些昆虫的繁殖率，如蚜虫等是受营养影响的。 |
| 9. | Countermeasures against insects are part of the sanitary environment and sanitary cleanup .
抗昆虫的对策也是环境卫生和清洁卫生的一个部分。 |
| 10. | The stickness causes the pollen to adhere to the legs and bodies of insects which visit the flowers .
当昆虫落到花上，花粉粘附在昆虫的腿上和身体上。 |
