The parasite lives on its host's blood.

Objective : To illustrate the killing effects avermectin on Leptotrombidium deliense on tropical coral islands.

目的: 观察生物杀螨剂阿维菌素在热带珊瑚岛上对地里纤恙螨成虫杀灭效果.

Undervarious natural temperature, the developmental zero and effective cumulative temperature attach development stage were: egg stage 18.

在自然变温下,卵 、 幼虫、预蛹、蛹、成虫产卵前期和全世代的发育始点和有效积温分别为18.

The age of adult is within 3-43 days, the average being 25 day.

成虫寿命最长43天,最短3天, 平均25天.

Then they change into adult fireflies.

然后它们长成成虫.

When they are adults, they don't eat anything at all.

可等成成虫了, 就什么也不吃了.

All of these functions , however, are secondary to the role of hops in flavor and aroma.

当然, 与酒花对啤酒气味和口味方面的作用相比,所有的这些功能都是次要的.

The boiling or brewing of the wort with the hops serves several purposes.

煮沸或煮泡的添加酒花的麦芽汁有多方面的原因.

The main raw materials for beer production included water, malt, hops and yeast.

生产啤酒的主要原料是水 、 麦芽 、 酒花及酵母.

Hops are also one of the essential beer ingredients.

酒花是啤酒的基本原料之一.

The main compositions of hops are hop resin, hop oil and polyphenols.

酒花中含有酒花树脂 、 酒花油和多酚物质.

The style and old-fashioned clothes, boots shows the victim was European.

衣服的式样和老式的皮靴说明遇难者是个欧洲人.

A kick from a guard's boot had broken the fingers of one of his hands.

原来那个警卫的皮靴踢断了他的一根手指.

You'll have enough to supply yourself with gloves and boots.

你就会有钱,够你给自己买手套和皮靴.

There was a stampede of boots up the stairs.

楼梯上也有一阵皮靴声.

Ideal for tack , saddles, boots , purses and other leather products . Will darken light leather.

它是马鞍, 马靴, 钱包以及其它皮革制品的完美配备品.

Nina: Well , that's true, but my riding boots looked the worse for wear compared with theirs.

妮娜: 不错, 但是,和其他参赛者相比,我的马靴看来太残旧了.

Two topboots jog dangling on to Dublin.

一双高统马靴荡悠着,一路荡到都柏林.

There were several pairs of riding boots ranked neatly in the hall.

客厅里整齐的排列着几双马靴.

The process of chlorine leaching-purification-electrowinning for nickel extractioncopper residue is investigated.

研究通过氯气浸出 - 净化 - 不溶阳极电积法生产电镍的工艺过程.

Structure character of magnetic pump and it's effect on chlorine gas drying is intro-duced.

介绍了磁力泵的结构特点以及在氯气干燥中的使用效果,并提出了在使用时应注意的一些事项.