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这种幼虫以小蚜虫为食。用英语怎么说？

这种幼虫以小蚜虫为食。

The larvae prey upon small aphids.

相关词汇
the larvae prey upon small aphids

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

larvae

n. （昆虫的）幼虫，幼体( larva的名词复数 )，(larva的复数)；
例句
The larvae burrow into cracks in the floor.
幼虫钻进了地板的缝隙里。

prey

n. 被捕食的动物，捕食（习性），受害者，受骗者；vi. 捕食，（疾病等）使人慢慢衰弱，折磨，（人）靠欺诈为生；
例句
The spider must wait for prey to be ensnared on its web.
蜘蛛必须等待猎物被它的蛛网困住。

upon

prep. 在…上面，当…时候；
例句
...the doctrine of absolute monarchy based upon divine right.
以神权为基础的君主专制学说

small

adj. 小的，难为情的，低级的，卑劣的，细微的，微弱的；adv. 小小地，卑鄙地；n. 细小部分，腰部，琐碎东西，身份低的人，矮小的人；
例句
Car manufacturers are already producing small numbers of electric vehicles to test customer acceptance...
汽车制造商们已经开始生产少量的电动车辆以测试顾客的接受程度。

aphids

n. 蚜虫( aphid的名词复数 )；
例句
...pests like aphids which infest cereal crops.
像蚜虫这样大肆侵害谷物的害虫
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。
相关例句
A little selfish behaviour is unlikely to cause real damage to those around us...
稍许自私的行为不会对我们身边的人造成实质性伤害。
These symptoms are particularly associated with migraine headaches.
这些症状尤其与偏头痛相关。
...crusty French loaves.
脆皮法式烤面包
This exercise is done in one smooth motion.
这个练习一气呵成。
It leaves indelible stains on clothes.
它会在衣物上留下洗不掉的污渍。
I like to keep going. I hate to sit still.
我喜欢一直有事情做，讨厌一动不动地坐着。
...low-paid, insecure jobs...
报酬低、无保障的工作
A spokeswoman for Mr Prescott yesterday made it clear that he had been unhappy at his exclusion.
普雷斯科特先生的发言人昨天表明他对于自己被拒绝十分不满。
'Eva!' he yelled...
“伊娃！”他大喊道。
Leonard made a rapid calculation: he'd never make it in time.
伦纳德快速盘算了一下:他肯定赶不上了。