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了解地球媽媽
01 Understanding Earth
了解地球的結(jié)構(gòu)
Understanding the Structure of the Earth
地球的最外部是地殼、地殼下面還有地幔、外地核和內(nèi)地核。地球的內(nèi)核是地球最熱的一部分，它和太陽表面一樣熱哦。
The outermost part of the Earth is the crust, and below it there are earth mantle, outside earth core and inland Core.
The inner core is the hottest part of the Earth, which is equally hot as the surface of the sun.
地球的天文年齡
你知道嗎？我們的地球已經(jīng)有45.5億歲啦！
今年是第54個世界地球日哦！
You know what? Our planet already has been 4.55billion years old!
This year marks the 54th anniversary of Earth Day.
怎么關(guān)愛地球
How to care for the Earth
手工制作環(huán)保袋
Make reusable bags by hand
生活中的塑料袋很難溶解，會造成嚴重的"白色污染"，所以今天我們要來親手制作一個可以反復(fù)利用的環(huán)保袋。
Plastic bags in life are hard to dissolve and can cause severe "white pollution", so today we are here to make one that children can reuse.
拓印
Rubbing
陽光、花草、藝術(shù)與歡樂都是大地的饋贈。
Sunshine, flowers, art and joy are gifts of the earth.
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