1.
a featherless biped; the unfeathered legs of an Orpington.
没有羽毛的两足动物；奥尔平顿鸡没有羽毛的双腿。
2.
"Leg: In a Biped, the lower limb, jointed at the knee, supporting the Body and used for walking and running."
腿: 两足动物的下肢,与膝部连接,用于支撑身体并用来行走和奔跑。
3.
cephalopods having two gills.
有两个腮的头足类动物。
4.
cephalopods having eight short tentacles plus two long ones.
有八只短须加两只长须的头足类动物。
5.
Either of the margins of the aperture of a gastropod shell.
腹足纲软体动物缺口的两个边缘中的任一个
6.
TWO NEW DEVONIAN CHONETID (BRACHIOPODA) GENERA FROM THE SOUTH CHINA REGION
泥盆纪华南区戟贝族(腕足动物)的两个新属
7.
arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes.
躯体由众多双倍体节组成、每一个体节都有两对足的节肢动物；倍足纲节动物。
8.
Brachiopoda (fossil)
腕足动物门（化石）
9.
an order of amphibians including caecilians (in former classifications it was called order Apoda).
包含蚓螈的两栖动物的一目（在以前的分类中称作无足目）。
10.
The part of the body of a human being or quadruped on either side of the backbone and between the ribs and hips.
腰部人类或四足动物的身体部分，位于脊柱两侧，肋骨与臀部之间
11.
naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles.
光秃秃的海生腹足软体动物，有退化的内壳和两对形似耳朵的触须。
12.
The posterior part of a quadruped, adjacent to the hind legs.
后腿部分四足动物两后腿附着于躯干处以后的所有部分
13.
shrimp-like decapod crustacean having two pairs of pincers; most are edible.
形似虾的十足甲壳动物，有两对钳子；大多数可食用。
14.
insectivorous usually semiaquatic web-footed amphibian with smooth moist skin and long hind legs.
通常是半水栖、蹼足并食虫的两栖动物，体表光滑潮湿，后肢长。
15.
They haven't enough troops or material to run two major offensives at the same time though.
然而他们没有足够的军队和物资同时发动两次大进攻。
16.
small class of bilaterally symmetrical marine forms comprising the tooth shells.
由两边对称的海洋掘足纲软体动物组成的一个小纲。
17.
pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent.
南美洲无尾的两栖类啮齿动物，体型大小如猪，部分蹼足；最大的现存啮齿动物。
18.
the hindquarters
(动物的)两条后腿