The crown of thorns starfish is a coral reef predator that preys on coral polyps.
刺冠海星是一种以珊瑚虫为食的珊瑚礁捕食者。
They could soon face a further threat if warmer summers and milder winters encourage the spread of the Asian hornet, which preys on bees.
如果更温暖的夏季和更温和的冬季促使捕食蜜蜂的亚洲大黄蜂的散布，它们可能很快就会面临进一步的威胁。
His misfortune preys upon his mind.
他的不幸使她心中苦恼。
Preys outnumber predators ten to one.
被捕食者是捕食者数量的十倍。
The fox preys farthest from his hole.
狐狸捕食，远离洞府。
The fox preys farthest from his hole.
狐狸捕食，远离洞府。 （兔子不吃窝边草。）
The fox preys farthest from his hole.
狐狸捕食，远离洞府。兔子不吃窝边草。
猫头鹰捕食老鼠。
Restores his heart:when valour preys on reason.
恢复了他的勇气：当勇猛掠夺了理智。
The spider preys on small flies and other insects.
蜘蛛捕食小苍蝇和其他昆虫。
The shark preys on whatever it can attack and kill.
鲨鱼捕食一切它可以攻击和杀死的东西。
One that preys on or clings to another; a parasite.
吸血鬼，寄生虫，食客寄生于他人或粘着于他人的人；寄生虫。
She preys on his weakness, on his desire for a family.
她利用他的弱点，利用他对家庭的渴望。
Step Two. A good hunter needs a good light to search for preys.
第二步。好猎手当然需要一盏好灯来搜索猎物。
Predators and preys, one chasing another, run for the ultimately same reason.
捕猎的和猎物，为了最终同样的目的而奔跑，一个逃，一个追。
Flu typically preys on the old and on those whose immune systems are compromised.
通常，流感波及的对象是老年人和免疫功能低下的人群。
This wasp is not a pollinator but rather a copycat that preys on real pollinator wasps.
这种黄蜂并不传粉，相反它是以真正的传粉黄蜂为食的。
It usually preys on deer, but is known to hunt larger mammals such as water buffalo and even humans.
通常捕食鹿，我们也知道它会猎食诸如水牛甚至人这样的哺乳动物。
The crown-of-thorns starfish preys on coral and large outbreaks of these starfish can devastate reefs.
棘冠星鱼会捕食珊瑚虫，大量的海星会摧毁珊瑚。
The diet composition of primary preys of bullfrogs was significantly different among different islands.
不同岛屿上的牛蛙在主要食物类型构成上存在差异。
It indicated that E. graminicolum didn't make use of odor of preys and their host plant to search food.
草间小黑蛛对颜色不敏感，说明它们没有利用猎物的寄主植物的颜色进行猎物的搜索。
Zootopia, a gleaming city where animals of all breeds, predators and preys alike, live together in peace and harmony.
动物托邦，一个闪亮的城市，在那里所有种类的动物，猎食者和猎物类的，在一起安详平和地生活着。
The sympatry in space and the synchrony in time indicated that these natural enemies had high efficiency to control their preys.
天敌和害虫在空间上的同域性和时间上的同步性说明了天敌对害虫控制作用较明显。
The functional response paramters were not alike because of the different preys and spiders, or under different space environment.
猎物不同、捕食者不同或容器不同，捕食功能反应亦不相同。
For example, it is possible that another species that preys on the salamanders or its eggs has increased, therefore leading to the decline in its population.
例如，可能另一类物种的数量在不断上升，它们以蝾螈及它们的卵作为捕食对象，从而导致其种群数量下降。
The results indicated that HCH isomers DDT and its metabolites could be detected in various environments and preys of night heron although the organochlorined chemicals were banned for almost20years.
结果表明，在有机氯农药禁用近20年后，六六六的异构体和滴滴涕及其衍生物均能在环境中和夜鹭食物中有不同程度的检出。
The results indicated that HCH isomers DDT and its metabolites could be detected in various environments and preys of night heron although the organochlorined chemicals were banned for almost20years.
结果表明，在有机氯农药禁用近20年后，六六六的异构体和滴滴涕及其衍生物均能在环境中和夜鹭食物中有不同程度的检出。
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