翻译和例句：
沙滩上的沙子是怎么来的呢？In old times, beaches had big rocks. Water washes (冲刷). And the wind blows (吹). The rocks get smaller. They become sand. ……
信不信由你
It takes five years for an oyster（牡蛎） to make a pearl（珍珠）.How does an oyster make pearls?原来，沙子进入牡蛎后和牡蛎分泌的液体结合。After a long time, it becomes a pearl. ……
,可以帮助你倒沙更均匀)A toothpick (牙签)EasyPour a layer of sand (倒每层沙) into the bottle with the funnel. (用不同颜色的沙子装满到瓶口。)HardPour a layer of sand. Then use the toothpick to make the shape. (用不同颜色的沙子重复这个过程就可以。) ……
fish. The fish is made of ice and sand (沙子). The show will start on Nov 28. 21ST ……
雷顿和朋友们在澳大利亚的海边游泳、冲浪、堆沙城堡。大家玩得真开心呀！与本期内容配套的是PEP小学英语义务教育教材四年级下册的Unit 4。学习词汇swimsuit 游泳衣 surfing 冲浪 surfboard 冲浪板 sunscreen 防晒油 sand 沙子 sandcastle 沙子城堡看故事填空Layton, the polar bears, and the penguins get ……
. Use a clock to time (计时) your hourglass. (你可以用钟表检测你的沙漏要花多长时间沙子才能漏完。你可以添加或倒掉沙子，来调整沙量。别忘了用胶条把瓶子恢复原位啊！) ……
the animals. Change their water and sand (沙子) regularly. Keep a record of the animals' health. Report... and sand (沙子) regularly. Keep a record of the animals' health. Report it to school every month ……
QIANTU 沙子为什么会唱歌？沙子为什么会唱歌？沙子为什么会唱歌？Have you ever heard a sand dune (沙丘) sing? It’s like music to your ears! Many people said they had heard all kinds of sounds coming from sand dunes ……
used a big 3-D printer to make the bridge. It can turn sand (沙子) into rock. The scientists tried ……
eyelashes, so sand (沙子) can’t get in their eyes. They also have humps (驼峰). Their humps let them store ……
沙子有一种神奇的“超能力”。A box of sand is strong enough to stop a bullet (子弹). How is it so strong?You’ll need• Paper towel tube 20 cm squares of tissue paper (纸巾)• Dry sand• Rubber bands Thin ……
沙子有一种神奇的“超能力”。A box of sand is strong enough to stop a bullet (子弹). How is it so strong?You’ll need• Paper towel tube 20 cm squares of tissue paper (纸巾)• Dry sand• Rubber bands Thin ……
a sandcastle)吗？沙堡拔地而起(rise from the ground)需要一铲铲沙子堆积起来(pile up)。这句话告诉我们：做事要脚踏实地，成功要重在累积。新学期开始了，我们 ……
澳大利亚海滩雕塑展：绽放在海边的艺术。Look at this big “head” in the sand (沙子)! In fact, it is a work of art on a beach (海滩) in Sydney, Australia. From Oct 18 to Nov 4, an outdoor sculpture exhibition (雕塑展) took place ……
地球上的沙子就快要被耗尽了Where can you find sand? You can find it in deserts (沙漠), beaches and playgrounds. But did you know that sand is useful? It is the second most-used resource (资源) in the world after water ……
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