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English: Science Frog Metamorphosis

scienceEnglish: Science Frog Metamorphosis


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What is learned: The students learn science vocabulary and concepts.

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Words and Phrases

    English    MandarinTransliteration
 soundFrog Metamorphosis sound青蛙的变态
 soundFrogs and toads are amphibians sound青蛙和蟾蜍是两栖类
 soundAmphibians live part of their life on land and part in water. sound两栖类他们的生活，一部分在陆地，一部分在水中。
 soundFrogs and toads lay their eggs in water. sound青蛙和蟾蜍在水中产卵。
 soundThey lay many, many eggs. sound他们产下很多很多的卵。
 soundThey lay about 4,000 eggs at one time! sound他们 一次产下约4千个卵！
 soundMost of the eggs do not become frogs. sound大多数的卵不变成青蛙。
 soundWhen the egg hatches it is called a tadpole. sound当卵孵化时，它被称为蝌蚪。
 soundA tadpole has a long tail that is uses to swim. sound蝌蚪有长长的尾巴，是用来游泳。
 soundIt breathes with gills. sound它用鳃呼吸。
 soundAfter a while, the tadpole starts to change into a frog. sound一段时间后，蝌蚪开始改变成青蛙。
 soundThe change from a tadpole to a frog is called metamorphosis. sound从蝌蚪到青蛙的变化被称为变态。
 soundThe tadpole grows two back legs. sound蝌蚪长出两个后腿。
 soundNext it grows two front legs. sound接下来，它长出两条前腿。
 soundAs the legs grow the tail gets shorter. sound随着腿部长出，尾巴变短。
 soundWhen it starts to get legs it is called a froglet. sound当它长出腿时，它被称为一个年轻的青蛙，有腿和尾巴。
 soundThe mouth gets bigger. sound口变得更大。
 soundThe eyes start to bulge. sound眼睛开始隆起。
 soundWhen the frog is an adult it can breathe air using lungs. sound当青蛙是一个成蛙，它可以使用肺呼吸空气。
 soundThe adult frog has almost no tail. sound成蛙几乎没有尾巴。
 soundIt uses its legs to jump or hop. sound它使用它的腿， 来跳跃。
 soundA frog eats insects and small fish and worms. sound青蛙吃昆虫， 小鱼和蠕虫。
egg masssoundegg mass sound卵块
tadpolesoundtadpole sound蝌蚪
frogletsoundfroglet sound从蝌蚪变态的年轻青蛙，有腿和尾巴
frogsoundfrog sound青蛙