身体透明并有许多附肢的淡水小型鳃足动物；倒置游动。
Small freshwater branchiopod having a transparent body with many appendages; swims on its back.
在节肢动物早期演化阶段，前附肢的演化是提高动物感觉和捕食能力的重要事件。
The evolution of the frontal appendage is an important event for the early arthropods to improve their feeling and feeding ability under the fiercely 'arm race' press in Cambrian explosion.
例如，1919年，在加拿大温哥华岛附近捕获了一条座头鲸，它有一对长达1米多的腿状附肢，还有完整的整套肢骨。
In 1919, for example, a humpback whale with a pair of leglike appendages over a metre long, complete with a full set of limb bones, was caught off Vancouver Island in Canada.
研究人员对《生物学通信》的记者说，这个被命名为侏罗纪络新妇（Nephilajurassica）的标本，把附肢伸展后的全长达到了15cm。
The researchers tell the journal Biology Letters that Nephila jurassica, as they have called their specimen, would have had a leg span of some 15cm.
前肢，上肢动物前部的附肢，如前腿、前翅、前鳍等。
雅利安的遗传工作的进行和开发是用来去除附肢，爪子，羽毛和类似爬虫动物的皮肤及鳞片。
The genetic work had been processed and developed on Aryan and was used to remove appendages, claws, feathers and reptilian skins and scales.
象的鼻子是一种独特的附肢。
某些动物身上的鳍状肢或扁平附肢。
象的鼻子是一种独特的附肢。
目的为研究大壁虎运动及其生物控制提供附肢肌的定量形态资料。
Objective To provide morphological data of appendicular muscle for further research on the biological control systems of GekkogeckoSs motional function.
注意每只虫外部特徵的差异，观察环节动物1上众多的感觉构造及其多功能的附肢。
Note the differences in the external features of each worm, namely the increased number of sensory structures and the presence of multifunctional appendages on annelid 1.
昆虫典型的附肢包括肢基体和干。
An insect appendage consists typically of a limb base and a shaft.
生物学家们长久以来认为这些短而粗的附肢是一种进化过程中的适应。
Biologists have long assumed that these stumpy appendages are an evolutionary adaptation.
很多动物身上有成对的附肢，一侧一个，这是很普遍的现象。
Paired appendages, with one on each side of the body, are common in many animals.
arm一词亦指无脊椎动物的附肢或运动器官，如海星的腕、章鱼的触手和腕足纲动物的腕足。
The term may also denote the limb or the locomotive or prehensile organ of an invertebrate (e. g. , the ray of a starfish or the tentacle of an octopus).
arm一词亦指无脊椎动物的附肢或运动器官，如海星的腕、章鱼的触手和腕足纲动物的腕足。
The term may also denote the limb or the locomotive or prehensile organ of an invertebrate (e. g. , the ray of a starfish or the tentacle of an octopus).
应用推荐