He finds the comparison of insect wings with a sailing boat useful up to a point 他发现把昆虫的翅膀比作一艘帆船在某种程度上是有用的。
Chambers 'voice droned, maddening as an insect around his head 钱伯斯一直在他耳边嗡嗡地说个不停,他都快疯了。
Many kinds of insect find their mates by scent. 许多昆虫通过气味找到交配对象。
Honeybees use one of the most sophisticated communication systems of any insect. 蜜蜂之间所用的交流方式是昆虫中最为复杂的方式之一。
The traveller's face was covered with insect bites. 旅行者满脸都是被虫子叮咬的疙瘩。
She flapped a newspaper at the insect. 她用报纸拍虫子。
A tiny insect, trying to shake a mighty tree, is ludicrously ignorant of its own weakness. 蚍蜉撼大树,可笑不自量。
The ant is a social insect. 蚂蚁是一种群居昆虫。
The crop failure was due in part to drought and in part to insect pests. 歉收一半儿由于干旱,一半儿由于虫灾。
The insect anchored fast to its prey. 这只昆虫紧紧地抓住它的猎物不放。
He was bitten by an insect in the garden. 他在花园里被虫子咬了一口。
The bird seized the insect and bore it off to its nest. 那只鸟捕捉到了一只昆虫并把它叼到了鸟巢里。
Do you think butterfly is a type of insect? 你认为蝴蝶是一种昆虫吗?
Wyman was absorbed in the convulsions of the insect. 怀曼看毛虫乱蹦乱踢,正看得有劲。
Small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests. 圆形身体的小甲虫,色彩鲜艳并有斑点,通常吃蚜虫和其它有害的昆虫。
Asiatic insect introduced accidentally into United States; pest on citrus and apple trees. 偶然引入美国的亚洲昆虫;对柑橘树和苹果树有害。
You have sunscreen and insect repellant? 带防晒露和驱虫剂了吗?
Research and development in insect biology and insect resistant plants languished during this period. 这一时期昆虫生物学和抗虫植物的研究和发展很不景气。
He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics. 他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应。
In this paper, In this paper, the insect community in Chinese pine forest was studied. 本文采用常用的生物多样性统计方法,对油松林昆虫群落的生物多样性进行了研究。
Some suggestions for the further control and study on this insect pest were also proposed. 对今后的防治和研究提出了一些建议。
Improvement of hybrids with insect resistance was also discussed. 还对杂交稻抗虫性的改良进行了讨论。
An insect pest fatal to cotton had struck the crop. 棉花遭受了一种致命的虫害。
To date, crops have been engineered for herbicide tolerance, insect and virus resistance and post-harvest quality. 迄今为止,已经针对农作物的耐除草剂、抗虫和抗病毒的特性以及采后品质进行了基因操作。
Some resistance resources has also played important role in sorghum disease and insect resistance breeding. 一些抗性资源也在高粱抗病虫育种方面发挥了作用。
DDT sprayed into the air kills mosquitoes and other insect pests. 喷射到空气中的DDT能杀死蚊子和其他有害昆虫。
Corn is attacked by a number of plant parasites and insect pests. 玉米受到一些植物寄生虫和虫害的侵害。
The action of a pathogen and an insect vector changed the ecology of the rabbit. 病原体和昆虫媒介改变了兔子的生态学。
The upper lip and mandibles of the insect were injured. 这个昆虫的上唇和上颚都受了伤。
On the clues of laboratories and insect species, the investigation process of each enzyme is introduced and generalized. 按实验室和昆虫种类为线索,归纳和概括了每一种保幼激素代谢酶的研究进程;