自然科学SAT - 自然世界

an animal that is hunted and eaten by another animal

猎物

the tough outer covering or skin of a fruit or vegetables

外皮

a long period of time when there is not much raining

干旱

a drastic and sudden rush of wind

阵风

the accumulation of compressed layers of snow on the ground in regions where snowfall is common

雪层

a large woody plant with several main stems emerging from the ground

灌木

a small and thin branch of a tree stemmed from another branch

细枝

a location where the surrounding landscape creates an optical illusion, making a gentle downhill slope appear as if it is an uphill slope

重力坡

the upper layer of trees in a forest that creates a dense cover with interlocking leaves; offering shade and shelter in the ecosystem

树冠

large amounts of snow falling from mountains

雪崩

a large, feathery structure or arrangement, typically found on birds, often used for display or flight

羽毛

the presence of liquid, typically water, in a state of wetness or dampness

湿气

a storm with heavy snowfall and strong winds

暴风雪

turkeys, chickens, geese, ducks, etc. that are kept for their eggs and meat

家禽

a small and young tree

幼树

one or all the descendants of an ancestor

后代

a protected area designated for the conservation of wild animals and their natural habitats

野生动物保护区

the child or children of a particular person or animal

后代

the dense, low-growing vegetation beneath the canopy of trees in a forest, consisting of shrubs, bushes, and small plants

灌木丛

a hole that an animal digs in the ground to use as a shelter

洞

a clear semi-precious gemstone consisting beryllium, with a light blue to green range of color

海蓝宝石

the skin of an animal with the fur, wool, or hair still covering it

皮革

a sticky, organic substance exuded by certain plants and trees, often used in varnishes, adhesives, and incense

树脂

the mouth, throat, or gullet, particularly of a carnivorous animal

嘴

the capacity of living things for survival, growth, and sustained health

活力

an animal or plant with parents that belong to different breeds or varieties

杂交品种

a state of deep, restful sleep, often associated with peace and rejuvenation

沉睡

characterized by abundant and rich growth

丰盛的

safe or suitable for eating

可食用的

pleasantly warm, mild, and soothing

温和的

(of a baby) born before completing the normal full-term pregnancy length

早产的

to start to grow, producing buds or branches

发芽

(of an animal such as a dog or wolf) to make a loud and prolonged sound or cry

嚎叫

(of a bird) to land and rest on something, such as a branch, bar, etc.

栖息

to remove or drain away nutrients or minerals from soil or another substance through the action of liquid, typically water

淋洗

(birds or bats) to settle or rest on a perch or in a shelter for sleep or rest

栖息

(of sheep, cows, etc.) to feed on the grass in a field

放牧

(of a bird) to move the beak in a sudden movement and bite something

啄

to cut down or bring down, typically referring to trees

砍伐

to groom oneself or another individual by straightening and cleaning the feathers or fur using the beak or tongue

清理

to move or flap rapidly and lightly, typically referring to the motion of wings, leaves, or other flexible objects

颤动

to raise and care for a child until they are grown

抚养