Methods: We measure the LD of flies on insecticides standard drop way.

Insecticides are widely used for controlling most insect pests.

杀虫剂广泛应用于防治大多数害虫.

I have decided to specialize in plant chemicals that can be used for insecticides.

我已经下决心专门研究可以用作杀虫剂的植物中的化学物质.

They are insects'worst enemies, killing far more pests than commercial insecticides do.

它们是昆虫的死敌, 杀灭害虫的能力要比作为商品的杀虫剂大得多.

Farm workers frequently come in contact with these insecticides.

农场工人常常接触这些杀虫剂.

Systemic insecticides have shown particular promise.

内吸杀虫剂看来特别有效.

In remote regions, the air is pure and the crops are free of poisonous insecticides.

在偏远地区，空气很纯净，庄稼也不施用有毒的杀虫剂。

It is an insectivorous plant and plays a special role in an ecosystem.

本种为食虫植物,在生态系统中有其独特的作用.

Botany Capable of trapping insects or other small organisms and absorbing nutrients from them; insectivorous.

能够捕昆虫或其它小的有机体,并能从其中吸取营养的; 食虫的.

Bats are nocturnal flying mammals. The statistics presented here describe small, insectivorous bats.

蝙蝠是一种夜行性飞行哺乳动物. 这里目前的统计资料表明是一种较小, 食虫的蝙蝠.

This is the tidbit which tempts his insectivorous fate.

就是这一点东西引诱它残杀昆虫.

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.

Insects are made up of tens of thousands of proteins.

昆虫由数万种蛋白质构成。

The bird caught the insects in mid-air.

鸟在半空中捕捉了昆虫。

The odour of vitamin in skin is repugnant to insects.

昆虫很讨厌皮肤内维生素的气味。

Both are moderately large insects.

两种昆虫都是中等大小。

The correlation is loose and the use for prediction insecure.

这种相关是不密切的,而且用来预测是靠不住的.

In an increasingly insecure world, control is important even when the vehicle is parked.

在一个越来越不安全的世界, 控制是重要的,即使该车辆停泊.

An insecure man gets jealous and a man who is not insecure won't.

不可靠的男人会妒忌,而可靠的男人则不会.

As for the foundations, there seemed to be something insecure about them too.

至于大厦的基础似乎也有些不牢靠.

That attitude is actually a sign that he's insecure about himself.

那种态度其实是对自己没有安全感的表现.