(noun.) any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton.
克里斯整理
双语例句
So it is with the wonderfully complex jaws and legs of crustaceans. 查尔斯·达尔文.物种起源.
Lubbock has recently remarked, that several minute crustaceans offer excellent illustrations of this law. 查尔斯·达尔文.物种起源.
Several families of crustaceans include a few species, possessing an air-breathing apparatus and fitted to live out of the water. 查尔斯·达尔文.物种起源.
The same law governs the construction of the mouths and limbs of crustaceans. 查尔斯·达尔文.物种起源.
With crustaceans not only many trivial, but some important parts assume a new character, as recorded by Fritz Muller, after maturity. 查尔斯·达尔文.物种起源.
The gills of crustaceans, such as the crabs which run about in the air, are protected by the gill-cover extensions of the back shell or carapace. 赫伯特·乔治·威尔斯.世界史纲.
Many insects, and especially certain crustaceans, show us what wonderful changes of structure can be effected during development. 查尔斯·达尔文.物种起源.
In some cases, however, the mature animal must be considered as lower in the scale than the larva, as with certain parasitic crustaceans. 查尔斯·达尔文.物种起源.