动物学（2）

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Invertebrates , such as insects and mollusks , make up the majority of animal species on Earth

无脊椎动物（如昆虫和软体动物）构成地球上大多数动物物种。

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This kind of birdseed is perfect for all kinds of finches

这种鸟食适合各类鸣禽。

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Farmers often raise fowl like chickens and ducks for their eggs and meat

农民常饲养鸡、鸭等家禽以获取蛋和肉。

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Legends of sea monsters have fascinated humans for centuries

数个世纪以来，海怪传说一直让人类着迷。

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A herd of elephants slowly made its way across the savanna

一群大象缓缓穿过稀树草原。

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A swarm of bees surrounded the flowering tree , collecting nectar

一群蜜蜂围绕着开花的树采集花蜜。

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A flock of geese flew in a V-formation across the sky

一群大雁呈 V 字形编队飞过天空。

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A horde of locusts descended on the farm , devastating the crops

一大群蝗虫降临农场，毁坏了庄稼。

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Insects play a crucial role in pollination and nutrient recycling in ecosystems

昆虫在生态系统的授粉和养分循环中起着关键作用。

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The lion is often referred to as the king of beasts in African folklore

在非洲民间传说中，狮子常被称为百兽之王。

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Aquatic plants provide oxygen and shelter for fish in the pond

水生植物为池塘中的鱼类提供氧气和庇护所。

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Amphibians like frogs and salamanders can live both in water and on land

青蛙和蝾螈等两栖动物可在水中和陆地上生活。

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These birds migrate to southern China in winter

冬天，这些鸟迁徙到中国南方。

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Shepherds graze sheep where there are a lot of grass

牧羊人在草多的地方放羊。

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The parrot pecked me on the finger

鹦鹉啄了一下我的手指。

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Woodpeckers use their strong beaks to drill into trees in search of insects

啄木鸟用坚硬的喙在树上凿洞寻找昆虫。

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Bears prepare for hibernation by eating large amounts of food to store fat

熊通过大量进食储存脂肪为冬眠做准备。

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Some desert animals enter estivation during the hottest months to conserve energy

一些沙漠动物在最热的月份进入夏眠以保存能量。

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Many plants go into dormancy during winter , slowing their growth until spring

许多植物在冬季进入休眠期，生长放缓直至春天。

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Reptiles often fall into torpor on cold days , becoming less active

爬行动物在寒冷天气常陷入迟钝状态，活动减少。

旁白 neutral

How many offspring does a cat usually have ?

一只猫通常生几只幼崽？