a very young mammal at an early stage of development
婴儿, 幼崽
被称为乔伊的婴儿袋鼠会在母亲的育儿袋里呆上几个月。
an animal that has recently come out of its shell
刚孵出的动物, 雏鸟
短吻鳄的幼崽为了得到保护而待在母亲身边。
a young sheep, especially one that is under one year
羔羊, 小羊
我父亲给我看了一群小羊在山坡上一起玩耍。
the young offspring of a cow or bull, typically less than one year old
小牛, 犊牛
小牛们在牧场上与它们的母亲一起吃草。
a horse that is female and young, particularly one that is younger than four
小母马, 年轻的母马
驯马师对小母马在训练中进步的速度印象深刻。
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
a newly-hatched swan
小天鹅, 幼天鹅
小天鹅转变为雄伟的天鹅是自然界最美丽的变化之一。
a young bird that has recently acquired its flight feathers and is learning to fly
雏鸟, 幼鸟
母鸟仍然喂养雏鸟，即使它能飞短距离。
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
她在儿科护士培训期间学会了如何处理新生儿。
a young dog, especially one that is less than a year old
小狗, 幼犬
她的拉布拉多小狗热切地在后院追逐网球。
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 pig, especially one that has been weaned from its mother but is not yet mature
小猪, 幼猪
a soft and legless larva of a dipterous insect, such as a housefly, which could be found in decaying organic matter
蛆, 幼虫
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
蜉蝣的若虫是鱼类的重要食物来源。
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 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 young deer, typically in its first year of life
小鹿, 幼鹿
一只小鹿带着白色斑点躲在高高的草丛中。
a young or small codfish
小鳕鱼, 幼鳕鱼
