(of animals) capable of surviving both on land and in water

两栖的, 水陆两栖的
a mammal with claws that can't retract and often has a long snout, and often used for companionship, hunting, or guarding purposes

犬类, 犬
each of the curved pointy teeth of some animals such as elephants, boars, etc., especially one that stands out from the closed mouth

獠牙, 象牙
the long and protruding facial part of an animal which comprises its nose and mouth, especially in a mammal

口鼻部, 长鼻
one of the two long and sharp teeth that some animals such as dogs, wolfs, or snakes have

獠牙, 毒牙
small animals or insects that are believed to be destructive and are difficult to handle when they appear in a considerable number

害虫, 有害动物
(of some animals or plants) to spend the winter sleeping deeply

冬眠, 蛰伏
a prominent feature exhibited by some birds on their heads, consisting of feathers, fur, or skin

冠, 羽冠
a bird that is too young to leave the nest built by its parents, especially one that has not yet learned how to fly

雏鸟, 雏仔
a marine invertebrate with a body full of holes through which water can circulate and nutrients can be absorbed

海绵, 海绵动物
a sea creature with a hard shell and jointed legs such as crabs and lobsters

甲壳类动物, 壳类动物
a class of terrestrial arthropods that breathe air and have four pairs of limbs, such as spiders, scorpions, etc.

arachnid (蛛形纲生物), 蜘蛛(蛛形纲动物)
a parasitic flatworm that is shaped like a ribbon and lives in the intestines of mammals

带状虫, 绦虫
a small wingless insect that is silvery and nocturnal, which feeds on paper products or clothing

银鱼, 银虫
an invertebrate animal with a segmented body and a chitinous exoskeleton, such as a spider, crab, etc.

节肢动物, 无脊椎动物
the stage of the metamorphosis that comes between the larval and adult stages of a moth or butterfly

蛹, 虫蛹
a silky covering that the larvae of some insects make around themselves during metamorphosis

茧, 蚕茧
a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult

幼虫, 蛹
the hard outer covering that supports the body of an animal, such as an arthropod

外骨骼, 硬外壳
any invertebrate that lives in aquatic or damp habitats and has a soft unsegmented body, often covered with a shell

软体动物, 贝类
