Scientists have known for years that weeds develop resistance to herbicides.

Among the many regulatory substances in use we have controllable and selective herbicides.

在所有的许多调节物质中,有控制性的和选择性的除草剂.

Phenylcarbamate herbicides were among the earliest herbicides developed.

氨基甲酸苯酯除莠剂是发展最早的一种除莠剂.

Efficacies of 8 herbicides in winter oilseed rape field were compared.

研究了8种除草剂防除冬油菜田杂草的效果.

Resistance of weeds to certain herbicides is beginning toshow up.

杂草对某些除草剂的抗药性已显现出来.

Herbicides provide a cheaper and more effective means of controlling weeds than cultivation.

除草剂比清耕消除杂草成本低,效率高.

Cattle are herbivorous animals.

牛是吃草的动物.

Some animals, including human beings, are omnivorous and eat both meat and vegetables; others are either carnivorous or herbivorous.

包括人在内的一些动物是杂食动物,既吃肉类,也吃蔬菜; 而其它动物则或是食肉动物,或是食草动物.

The camel is a herbivorous animal.

骆驼是一种食草动物.

Herbivorous animals to wild boar, deer, roe, and so on for food.

以草食性动物野猪 、 鹿 、 狍等为食.

For herbivorous animals, feeding a variety of grasses, moss and grass surface leaves.

为草食动物, 取食多种禾草 、 苔草及新鲜树叶.

The herbivorous ornitho pod dinosaurs may have had a mammal like diaphragm for efficient respiration.

食草类的鸟足类恐龙可能发青有与哺乳动物一样的横隔膜,以便于有效的呼吸.

Mammoths were herbivorous mammals.

猛犸是食草性哺乳动物。

Sage and mint are herbs.

鼠尾草、薄荷均为药草.

These herbs usually grow wild.

这些草药一般是野生的.

Serve piping hot, with herbs sprinkled on top.

在上面撒上香草趁热上桌。

Add a teaspoonful of mixed herbs.

加入一茶匙混合药草.

In the hot sun the rain-washed herbs smelled sharp and spicy and sweet all at once.

烈日下，被雨水冲刷过的香草闻起来既冲又香气扑鼻。

the therapeutic properties of herbs

草药的医疗效用

Herby's new car really covers ground!

赫比的新车真能跑!

By eating the herbs, the fish would have taken on a slight herby flavour themselves.

通过喂食草本植物, 这些鱼本身都会带有一些草本植物的味道.