insects

primitive wingless insects

原始的无翅昆虫

polyphagous insects or birds.

杂食性昆虫或鸟类

an amorphous cloud of insects;

一大群密密麻麻的昆虫；

Some insects can change color.

有些昆虫可以变色。

Insects can transmit diseases.

昆虫能播疾病。

These insects are very difficult to eradicate.

这些昆虫很难根除。

The flowers are pollinated by insects.

这些花通过昆虫授粉。

insects that had been crushed underfoot

被踩扁的昆虫

there were no insects to fecundate flowering plants.

有昆虫为开花植物授粉。

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

昆虫有对作物造成实质性破坏。

The bird pecked insects from the log.

鸟从树木里啄出昆虫

Insects propagate themselves by means of eggs.

昆虫以产卵繁殖后代。

Insects which eat crops are pests.

吃庄稼的昆虫是害虫。

Some insects develop cross-resistance to insecticides.

通过某些昆虫使交叉抗药性发展成为杀虫剂

Chemicals are used to keep the insects down.

化学药品用于阻止昆虫滋生。

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

昆虫为花的色彩、香气和花蜜所吸引。

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

你可以引诱这些昆虫飞进罗从而捉住它们。

other insects attach extraneous objects or material to themselves.

其他昆虫把体外物体或物质附着在自己身上。