每个人都可以免费从里面取食。
我们假设这些鱼中的其中一组具有遗传的灵活性，可以发现并取食另一种未被其他鱼利用的资源。
Let's suppose that a group of these fish had the genetic flexibility to discover and feed off another resource that was unused by the other fish.
蚯蚓取食时丢弃了较细的颗粒。
蜂鸟可以向后飞，鸽子和麻雀在陆地取食。
Birds such as Hummingbirds can fly backwards, and Doves and Sparrows are ground eaters.
为了方便取食水果？
幼虫共8龄，每头幼虫取食针叶60根左右。
The larva has 8 instars, and one larva feeds on about 60 needles.
在新西兰，我曾经在专用的毛利人鳗鱼喂养点看到它们取食。
I've observed them doing this at sacred Maori eel-feeding sites in New Zealand.
韧皮部及其邻近组织是大多数蚜虫的主要取食部位。
Phloem elements and adjacent tissues are the principal feeding sites for most aphids.
在有的季节松鼠也取食一些昆虫及其它小型动物。
In some season, squirrel also takes some edible insect and other small-sized animal.
它们都具有能卷握东西的嘴唇，可用于取食树叶和树苗。
They have prehensile lips for feeding on leaves and saplings.
叶片总糖、各类蛋白质含量与稻水象甲的取食选择性无关。
Total sugar and protein content in leaves of rice varieties did not correlate with feeding selectivity.
冬季取食时间和休息时间明显增多，玩耍时间则大幅减少。
In winter, the most time of infants were occupied by resting and feeding.
不同的传粉机制要求某一特定的取食式样储藏和释放花粉。
The different pollination mechanisms require very specific foraging patterns to deposit and release pollen.
这一生物化学上抑制动物或植物的取食被称谓“他感作用”。
This biochemical inhibition of feeding by animals or plants is called "allelopathy".
雌成虫产卵量最高为取食菜心的处理，其次是取食葱的处理。
The highest number of female progeny was recorded on flowering stem, and then on shallot.
本文综述了寄主植物次生物质与叶甲取食行为关系的研究进展。
This article reviews the studies on interactions of plant secondary substances and feeding behavior of leaf beetles.
取食受害25%和受害75%松针的幼虫的营养指数比较接近。
The nutritional indexes of larvae fed with 25% and 75% damaged pine needles were similar.
潜叶虫犹如制图师，在表皮层间画线或者斑块，取食其中的组织。
Like cartographers, miners draw lines or blotches between epidermal layers and feeding on internal tissue.
山松甲虫只寄生于成年树木，它的幼虫会通过取食树皮下的组织最终杀死树木。
The beetle attacks mature trees only; its larvae ultimately kill the tree by feeding under its bark.
结果表明，抗性棉铃虫在取食常规棉叶后表现出一定的适合度代价。
This study demonstrates that resistant strain indicates fitness costs when feeding on conventional cotton leaves.
取食不同品种的水稻对白背飞虱的飞行能力和再迁飞能力有显著影响。
The flight capacity and re_migration potential of WBPH were influenced significantly by the nutritive conditions of the rice varieties.
当我们取食动植物的时候，我们消化了它们的能量，并把它拿来给自己用。
When we eat dead plants and animals, we are consuming their energy and converting it for our own use.
林丹会降低贝类的取食率、氧消耗、氨排泄、食物吸收率以及生长范围。
Lindane reduced feeding rate, oxygen consumption, ammonia excretion, food absorption efficiency, and scope for growth.
各种小蛾子或双翅目飞虫，其幼虫幼虫钻入并取食植物特别是叶片组织。
Any of various small moths or dipterous flies whose larvae burrow into and feed on leaf tissue esp. of the family gracilariidae.
这些家禽都很温顺，它们会从我手里取食，从而让我感受到它们的存在。
Many of them were so tame that they would eat from my hand and let me feel them.
取食玉米雌穗的幼虫对滞育诱导光周反应的敏感性强于取食棉铃的幼虫。
The sensitivity of diapause induction by photoperiod of the larvae fed by corn ear was stronger than that of the larvae fed by cotton boll.
在厌氧条件下(比如缺氧的地方)通过取食产生新诚代谢并以此引起化学反应产生电流。
Under anaerobic conditions (where oxygen is absent) they metabolise the fuel by feeding off it and in doing so produce natural chemical reactions that produce a current.
他们训练这只猴子，使它能够用它的大脑控制这个机械手臂，用它来给自己取食。
They restrained the monkey and managed to get it to use its thoughts to manipulate a robotic arm enough to feed itself.
一旦口针进入韧皮部持续吸食阶段，蚜虫在三个部位的取食行为没有太大的差异。
And no significant differences were found in feeding behaviors among aphids on three plant parts once sustained ingestion started in the phloem.
早在周朝时期，筷子便被人们用来夹取荤、蔬菜，而米饭在那时则用手来取食。
As early as in the Zhou Dynasty, chopsticks were used for picking up meat and vegetables, while hands were used for rice.
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