Chemicals are used to keep the insects down.

化学药品用于阻止昆虫滋生。

Some people exterminate garden insects by spraying poison on the plants.

有人在植物上喷撒杀死花园内的昆虫。

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

你可引诱这昆虫飞进罗网从而捉住它们。

Discovery of subspecies toxic to dipteran and coleopteran insects in 1977 and 1983, respectively.

1977年前只发现13个亚种，而且这亚种都只对鳞翅目害虫有效。

You put the insect in a matchbox.

你把这个虫子放进火柴盒里。

These insects are very difficult to eradicate.

这昆虫难根除。

It is difficult to get rid of insects.

除掉虫子可不容易。

For heart disease edema, dry mouth Fanke, Fasciolopsiasis insects.

用于心脏病水肿，口干烦渴，姜片虫。

They sprayed aerosol insect repellent into the faces of police.

他们将喷雾驱虫喷在了警察的脸上。

I can’t rationalise my absurd fear of insects.

我怕昆虫,毫无道理,不能合理地解释。

He put the insect on the palm of his hand.

他把虫子放在他的手掌心。

Some communicable diseases are transmitted only through the agency of insects.

某病只通过昆虫来播。

At the first cold of autumn, many insects go into hibernation.

入秋第一阵寒潮刚到，许多昆虫就进入了冬眠。

Defensin is a widely existed antimicrobial peptide in plants, insects and mammals.

防御素是一种广泛存在于动植物界的抗菌多肽。

Some communicable diseases are transmitted only through the agency of vermin or insects.

某病只通过害虫和昆虫来播。

Generally, the FD treatment has decreased the densities of natural enemies and saprophagous insects .

覆膜旱作田天敌及腐食者密度低于灌溉田。

A spider spins a web in which it catches insects and bugs for its food.

蜘蛛结网, 用于捕捉各种昆虫。

Dengue, filariasis, leishmaniasis, onchocerciasis, and American trypanosomiasis (Chagas disease) are other diseases carried by insects.

牛锥虫病在埃塞俄比亚是一种流行广泛、危害严重的疾病。

Some insects have a natural camouflage which hides them from the attack of their enemies.

有昆虫有一种天然的保护色可防止敌人的袭击。

Cyanide is used to kill insects.

氰化物可用来杀害虫。