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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。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
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。
相关例句
Low levels of choline in the body can give rise to high blood-pressure...
体内胆碱水平过低会引起高血压。
The President's most serious challenges lie ahead.
对总统来说最为严重的挑战还在后面。
They fled like lizards into crannies in the rocks.
他们像蜥蜴一样逃进了石缝。
He got hit on the head and he's been a bit slow since.
他的脑袋受过撞击，从那以后，他的反应变得有些迟钝。
He wiped off the remains of the lather with a towel.
他用毛巾抹去余下的皂沫。
It is not just a little trick you can pick up in half an hour.
这不是你半个小时就能学会的小窍门。
...a crackdown on fare dodgers.
对逃票者的严打
In a backhanded way, I think a lot of my energy and strength comes from my campaigning.
我觉得我的活力和力量很多都间接来自于我的竞选运动。
Davydd felt tears prick his eyes.
大卫德觉得眼泪就要流出来了。
See you tomorrow night. Must dash now.
明天晚上见，我得赶快走了。