1、

Britain has the largest and most flourishing fox population in Europe.

英国拥有欧洲最大也是最具繁殖能力的狐狸种群。

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2、

Lionesses bearing cubs in the zoo is nothing new now.

狮子在动物园繁殖早已屡见不鲜了。

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3、

Hot weather multiplied the bacteria in milk rapidly.

炎热的天气使牛奶中的细菌迅速繁殖.

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4、

The biology class studied the generation of fruit flies.

生物班的学生研究了果蝇的繁殖.

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5、

Genes are those tiny bits of biological information swapped in sexual reproduction.

基因是在有性繁殖中交换的微小生物信息。

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6、

Most plants propagate by seeds.

大多数植物都是通过种子繁殖的.

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7、

When animals have more food, they generally multiply faster.

动物在有较多的食物时, 一般繁殖得较快.

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8、

During the breeding season the birds come ashore.

在繁殖季节各种鸟都飞到岸边。

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9、

Bacteria reproduce by dividing and making copies of themselves.

细菌通过分裂和自我复制来繁殖。

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10、

New bushes can be reproduced from roots taken from the parent plant.

灌木可以由母本取下的根来繁殖.

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11、

Mice are prolific breeders.

鼠类繁殖力很强.

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12、

Many fungi can reproduce asexually.

许多真菌可以无性繁殖。

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13、

The whole population is so inbred that no genetic differences remain.

整个族群都是同系繁殖,以至于根本不存在基因差异。

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14、

Bacterial reproduction is accelerated in weightless space.

在失重的空间,细菌繁殖加快了.

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15、

The first organisms that reproduced sexually were free-floating plankton.

最早开始有性繁殖的生物是四处漂浮的浮游生物。

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16、

Effects on the media and hormones of the Adiantum capillus-veneris spores culture

不同培养基及激素对铁线蕨孢子离体繁殖的影响

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17、

Sugarcane is an asexually reproductive plant, and after continuous cropping for several years, the yield and quality generally decline because of various kinds of pathogens' infecting.

甘蔗系无性繁殖作物,容易因多年连续种植后受到各种病原物的反复侵染,造成产量和品质下降。

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18、

The results showed, under the condition of agamogenesis, the mutant of leaf etiolate ( Cty Ym) can be stably inherited.

结果表明:在无性繁殖条件下,黄化突变体Cty Ym的叶色变异能够在后代植株中稳定遗传;

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19、

The A.cordifolia become the single dominant species because it had characteristics of strong agamogenesis ability, rapid growth and the allelopathy.

落葵薯因具有无性繁殖能力强、生长迅速和化感作用的特点而成为单一优势种。

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20、

Zizania latifolia Turcz, which originates from China and Southeast Asia, belongs to perennial aquatic vegetables and reproduces asexually.

茭白(Zizania latifolia Turcz)为多年生水生宿根性草本植物,无性繁殖,原产中国和东南亚。

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