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aphid

音标与读法

这里为大家介绍下aphid 是什么意思,希望能帮助到各位朋友。

中英文翻译

n.

= aphis.

any of various small plant-sucking insects

例句与用法

1.A field may be smothered with aphids .

一块田的植株可以被蚜虫盖满。

2.Wind has little influence on sedentary aphids .

风对不动的蚜虫很少有影响。

3.The immobilized aphids quickly died .

被粘住的蚜虫很快死亡。

4.Heavy rain or hail may dislodge many aphids from the plants .

大雨和冰雹可从植株上击落很多蚜虫。

5.The combined activities of aphidenemies overtake reproduction by the aphids .

蚜虫天敌的联合活动超过蚜虫的繁殖力。

6.In general an aphid cannot or hardly identify its host at a distance .

在一定距离以外,蚜虫通常不能或难以识别其寄主植物。

7.Phloem elements and adjacent tissues are the principal feeding sites for most aphids .

韧皮部及其邻近组织是大多数蚜虫的主要取食部位。

8.Aphid count on plants in fields do not correlate with virus spread in the same fields .

田间植株蚜数与同块田内病毒的扩散程度间无相关性。

9.However, reproduction rates of some insects such as aphids are influenced by nutrition .

然而,一些昆虫的繁殖率,如蚜虫等是受营养影响的。

10.There is adequate variability in plants to breed for resistance to certain aphid vectors .

植物有充分的变异性可用于培育对一些蚜虫介体的抗性。

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