a very young mammal at an early stage of development
婴儿, 幼崽
动物园管理员特别照顾小象，确保其健康成长。
a young animal, especially a young fox, mink, or rabbit
幼兽, 小狐狸
an animal that has recently come out of its shell
刚孵出的动物, 雏鸟
她仔细监测孵化温度以确保幼雏的成功。
a young frog, which has recently developed from a tadpole
小青蛙, 刚从蝌蚪发育而来的青蛙
a young kangaroo
小袋鼠, 年轻的袋鼠
a young sheep, especially one that is under one year
羔羊, 小羊
莎拉喜欢在春天看那些顽皮的小羊。
the young offspring of a cow or bull, typically less than one year old
小牛, 犊牛
奶牛场在产犊季节迎来了几头新的小牛。
a female red deer, especially one that is over three years old
雌马鹿, 尤指三岁以上的雌性马鹿
a horse that is female and young, particularly one that is younger than four
小母马, 年轻的母马
年轻的小母马紧跟着她的母亲，从她的每一个动作中学习。
a young oyster or other bivalve that has recently settled and attached itself to a surface in its natural habitat
幼蚝, 刚附着的牡蛎
an amphibian in the larval stage
蝌蚪, 青蛙的幼虫
a newly-hatched swan
小天鹅, 幼天鹅
随着小天鹅的成长，它的羽毛开始变化，慢慢地从灰色变成白色。
a young bird that has recently acquired its flight feathers and is learning to fly
雏鸟, 幼鸟
森林里充满了雏鸟试飞时的啁啾声，生机勃勃。
a young male horse under the age of four which is not castrated
小马, 年轻的公马
a juvenile bird of the peafowl species
孔雀雏鸟, 幼孔雀
a small domestic chicken or duck
矮脚鸡, 小鸭
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, 幼鸟
a recently born organism, especially a newborn baby or an animal
新生儿, 初生儿
新生儿的生命体征被定期检查以确保正常发育。
a small and young eel
小鳗鱼, 幼鳗
a young dog, especially one that is less than a year old
小狗, 幼犬
小狗的柔软毛发让人忍不住想抱抱。
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
a young carnivorous mammal, such as a bear, lion, fox, etc.
幼兽, 幼崽
a young pigeon or dove that is still in the nest and not yet able to fly
幼鸽, 幼鸽
a young pig, especially one that has been weaned from its mother but is not yet mature
小猪, 幼猪
a juvenile newt or a terrestrial stage of a newt's life cycle
幼年蝾螈, 蝾螈生命周期的陆地阶段
a soft and legless larva of a dipterous insect, such as a housefly, which could be found in decaying organic matter
蛆, 幼虫
an amphibian in larval stage; a tadpole
蝌蚪, 青蛙的幼虫
a young falcon that has not yet fledged and is still in the nest
幼鹰, 尚未离巢的年轻猎鹰
a young animal, usually a horse or a deer, that is between one and two years old
一岁崽, 一至两岁的幼兽
the aquatic or terrestrial larval stage of an insect that undergoes incomplete metamorphosis, such as a dragonfly or mayfly
若虫, 水生幼虫
学生们在生物课上研究了若虫阶段。
a young lamb, usually less than a year old
小羊, 羔羊
a young hare or rabbit that is less than a year old and has not yet developed its full growth
小野兔, 幼兔
a young horse, especially one that is not older than one year
小马, 幼马
a tiny animal, typically visible only under a microscope
微小动物, 微生物
轮虫和缓步动物是能够在最极端条件下生存的多细胞微小动物。
a newly-hatched bird, especially a domestic bird
小鸡, 雏鸟
a young deer, typically in its first year of life
小鹿, 幼鹿
她拍摄了一只小鹿在小溪边喝水的照片。
a young or small codfish
小鳕鱼, 幼鳕鱼
a young offspring of a dog, wolf, or certain other carnivorous mammals
小狗, 小狼
a small, juvenile fish that is typically between the length of 1 and 4 inches
鱼苗, 小鱼
a juvenile herring, sprat or other small fish typically less than six inches long
小鲱鱼, 幼鲱
a juvenile salmon or trout that has developed a pattern of dark vertical bars on its sides
幼鲑, 幼年鲑鱼或鳟鱼
