Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.But regulators with spine are still better th...
They prey on other invertebrates, which they capture with a unique proboscis.它们用独特的吻捕食其它无脊椎动物.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm ...
Both groups share two attributes normally associated with vertebrates.两组都具有通常脊椎动物才具备的两个特征。But, of the vertebrates, unpredictable Nature selected only snakes ( and one lizard ).但是, 在脊椎动物中, 神秘莫测的大自然只选择了蛇 ( 和一种蜥蜴 ).Fish, bi...
He looked at her hungrily. What eyes! What skin!他饥渴地看着她。瞧这眼睛！瞧这皮肤！I chomped hungrily through the large steak.我狼吞虎咽地吃着那一大块牛排。James ate hungrily.詹姆斯狼吞虎咽。...
棉纤维的最内层组织叫中腔.The innermost region of cotton is called lumen.光学显微镜还可以用来研究棉纤维的次生层.Light microscopy has also been useful in studies on the secondary wall of the cotton fiber.以棉纤维为原料,合成了一种新型推进剂用含能黏合剂纤维素醚硝酸酯.Cellulose ether n...
The regulations have been put into practice on a trial basis.这些规定已开始试行.It's easy to talk , but difficult to put into practice.说起来轻巧, 做起来难.We weren't allowed to put into practice in our daily lives the teachings...
Plants have different mechanisms of dispersal for their spores.植物传播孢子的方法各不相同。Ferns, mosses and fungi spread by means of spores.蕨类植物、苔藓和真菌通过孢子传播蔓生。When an infected mosquito bites a human, spores are injected into the bloo...
“这种病我们叫做偏执狂。”医生说道。"It is the sort of malady which we call monomania," said the doctor.或许我是偏执狂, 但那人看来眼熟 吧 ?Maybe I'm paranoid, but does that guy look familiar?你何不收敛你的偏执狂然后离开这里?Why don't you stick your paranoia b...
我想离婚，以求解脱。I wanted a divorce. I wanted to get away.他再无所求，或者说他是这么想的。There was nothing more he wanted, or so he thought.他拒绝退而求其次。He refused to settle for anything that was second best....