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- In general, predation may slow or stop the growth of a prey population only when many reproducing individuals are eliminated. 总的来说,当被捕食的是能繁殖的个体时,可能减慢或停止群体的增长。
- Wolves Canis lupus, extirpated from the western U.S. before the mid-20th century, have made a rapid and surprisingly painless recovery because wild areas and prey populations remained abundant. 狼在二十世纪中叶就在美国西部灭绝了,但是目前由于有广阔的生存区域和丰富的食物,种群恢复很快。
- In part four, we discuss a reaction-diffusion system of a simple food web consisting of one predator and two prey populations in an un-stirred chemostat with a single nutrient input. 第四章讨论了一类在单种营养物输入的未搅拌恒化器中的简单的食物网模型,在这个模型中除了营养物以外,还有一个捕食者和两个竞争的食饵种群。
- The eagle seized its prey in a tenacious grip. 鹰将捕获物紧紧抓住。
- The zebra fell prey to the lion. 那斑马被狮子捕食。
- The lion seized its prey and ate it. 狮子抓住猎物,把它吃了。
- She was easy prey for dishonest salesmen. 她很容易地让奸商敲了竹杠。
- Strong animals prey upon weaker ones. 弱肉强食。
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- She was prey to irrational fears. 她遭受著无端恐惧的折磨。
- The snake glided smoothly towards its prey. 那条蛇轻快地向猎物游去。
- The deer fell (a) prey to the lion. 那鹿成了狮子的猎物。
- The serpent fascinated its prey. 蛇用目光吓住了它的猎物。
- A desert has no settled population. 沙漠没有固定的居民。
- He moved like a tiger stalking its prey. 他像老虎一样悄悄潜近他的猎物。
- The hawk pounced on its prey and carried it off. 那只鹰向那小动物猛扑过去把它叼走了。
- The zebra fell a prey to the lion. 那斑马被狮子所捕食。
- The eagle swooped down on its prey. 老鹰向着猎物俯冲下来。
- There was a steady increase in population. 人口在不断增长中。
- An owlet is a bird of prey that flies at night. 小型猫头鹰是在夜晚捕食的一种鸟。