Any of various freshwater crustaceans of the genera Cambarus and Astacus, a lobster but considerably smaller.

Some can swim, as for instance, fishes, molluscs, and crustaceans, such as the crawfish.

一些能游泳, 就如, 鱼, 软体动物, 甲壳动物, 例如小龙虾.

Food Suggestion: Ideal as an aperitif, or as an accompaniment for fish dishes , oysters and crustaceans.

可作为理想的餐前酒, 也可搭配鱼类 、 牡蛎、贝类等十分美味.

Other finds included furry crustaceans ( pictured above ) and lobsters asas a man's arm.

其它发现包括有毛的甲壳类 ( 如题图所示 ) 和体长与成年男子手臂相近的虾.

They eat planktonic crustaceans and fish larvae.

以浮游的甲壳动物和鱼类幼体为食.

Old World genus of isopod crustaceans.

陆生等足甲壳类旧大陆鼠妇科的一属.

Shrimps and crabs are only small crustaceans in the ocean.

虾、蟹不过是大海中渺小的介虫罢了.

Like all crustaceans, krill must molt in order to grow.

象所有甲壳纲, 磷虾必须蜕变为了增长.

Other They eat other fish, crustaceans, mollusks, and octopus.

它们吃其他的鱼类 、 甲壳类 、 软体动物和章鱼.

Sir. J . Lubbock has recently remarked , that several minute crustaceans offer excellent illustration of this law.

卢布克爵士最近指出, 小型甲壳类中有几种较好的例子,可作为这一法则的说明.

When the tide ebbs it's a rock pool inhabited by crustaceans.

退潮时，它便成为甲壳动物居住的岩石区潮水潭。

These crustaceans provide a valuable food source for some fish.

这些甲壳纲动物是某些鱼类重要的食物来源.

It is necessary to find other materials to replace copper as crustaceous material of water-lubricated bearing.

迫切需要找出替代铜做水润滑轴承外壳的材料.

Crustal deformation observation includes observations of horizontal deformation, vertical deformation, and ground tilting.

地壳形变观测应包括水平形变 、 垂直形变和倾斜形变观测.

These crustal basin belts formed by strong basal compression folding in the Indosinian-Yanshanian period.

壳内盆地带主要形成于印支—燕山期强烈的挤压褶皱带内.

Clenched in the volcanic fist, the huge Basin was created By the motion of crustal plates.

这个巨大的盆地坐落在火山带内, 它是由地壳板块的运动所造成的.

Slot Valley : here is the ruptured stratum due to crustal movement, where is interlocked each other.

地缝峡――此处为地壳运动形成的地层断裂地带,其形犬牙交错, 峥嵘怪异.

A stage of laboratory experiment modelling the melting of crustal rocks into granite has been initiated.

以地壳岩石为源岩的热力学实验的开展,是花岗岩热力学研究的开始.

The crustal movement in Three Gorges Reservoir Area has been intermittent uprising movement since Cenozoic era.

新生代以来,三峡库区地壳运动主要表现为间歇性隆起.

Through the low stress subduction of oceanic plate crustal extension has dominated in Southeastern China.

晚白垩世以来大洋板块属于低应力型俯冲,拉张是东南部主构造.

Crustal movements closed the straits, and the landlocked Mediterranean began to evaporate.

地壳运动封闭了海峡, 被陆地包围的地中海也开始蒸发.