Dogs intended for breeding should not be spayed unless they are retired from reproduction.

除非从繁殖中退役，否则用于繁殖的犬只不应被绝育。

金山词霸

Each tiny gene is the basic unit of biological information that living organisms swap during sexual reproduction.

每个微小基因都是生物体在有性繁殖过程中交换的基本生物信息单位。

金山词霸

Bacteria reproduce by copying their genetic material to create new cells.

细菌通过复制其遗传物质来繁殖新细胞。

金山词霸

The entire community has become so inbred that genetic difference has completely disappeared.

整个社群已经变得如此同系繁殖，以至于基因差异完全消失了。

金山词霸

The first organisms to reproduce were tiny creatures floating freely in the ocean.

最早进行繁殖的生物是自由漂浮在海洋中的微小生物。

金山词霸

The region now has features that attract over 60 species of breeding birds.

这一地区现在拥有吸引60多种繁殖鸟类的特色。

金山词霸

To propagate the plant, take a cutting during July or August.

在七月或八月期间，通过获取插枝来繁殖这株植物。

金山词霸

The birds go ashore to return for the breeding season.

这些鸟类上岸返回以迎接繁殖季节。

金山词霸

Fungi, a type of fungus, often reproduce without sexual partners.

真菌，一种真菌类型，经常无需性伴侣即可繁殖。

金山词霸

A molecule can replicate, but only a cell can reproduce.

一个分子可以复制，但只有一个细胞可以繁殖。

金山词霸

The biology class studied the generation of fruit flies.

生物班的学生研究了果蝇的繁殖.

《简明英汉词典》

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.

《简明英汉词典》

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.

《简明英汉词典》

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.

《现代汉英综合大词典》

Mice are prolific breeders.

鼠类繁殖力很强.

《简明英汉词典》