insects

1.primitive wingless insects

原始的无翅

2.polyphagous insects or birds.

杂食性或鸟类

3.an amorphous cloud of insects;

一大群密密麻麻的；

4.Some insects can change color.

有些可以变色。

5.Insects can transmit diseases.

能播疾病。

6.These insects are very difficult to eradicate.

这些很难根除。

7.The flowers are pollinated by insects.

这些花通过授粉。

8.insects that had been crushed underfoot

被踩扁的

9.there were no insects to fecundate flowering plants.

没有为开花植物授粉。

10.the insects did not do any material damage to the crop.

并没有对作物造成实质性破坏。

11.The bird pecked insects from the log.

鸟从树木里啄

12.Insects propagate themselves by means of eggs.

以产卵繁殖后代。

13.Insects which eat crops are pests.

吃庄稼的是害。

14.Some insects develop cross-resistance to insecticides.

通过某些使交叉抗药性发展成为杀剂

15.Chemicals are used to keep the insects down.

化学药品用于阻止滋生。

16.Insects are attracted to flowers by their colour,scent and nectar.

为花的色彩、香和花蜜所吸引。

17.You can catch these insects by tempting them to fly into a trap.

你可以引诱这些飞进罗网从而捉住它们。

18.other insects attach extraneous objects or material to themselves.

其他把体外物体或物质附着在自己身上。