单购
学英语，讲科学
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共 20 集
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C1A1 Animal Homes
05:41
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C1A2 In the Sea
05:16
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C1A3 Where Do They Grow
05:18
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C1B4 Who Lays Eggs
05:55
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C1B5 Looking After Animals
06:10
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C2A1 The Sun Is Up
05:08
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C2A2 Sand Castle
05:35
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C2A3 We Can Help Our Earth
02:23
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C2B4 The Weather Today
06:57
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C2B5 What Can the Wind Blow
03:07
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C3A1 Soft and Hard
02:54
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C3A2 Three Kinds of Water
03:11
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C3A3 Amazing Magnet
05:14
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C3B4 The World Lights Up
02:56
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C3B5 Animal Shadows
03:56
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C4A1 My Dad is a Builder
05:38
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C4A2 Growing Tomatoes
02:07
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C4A3 Big Machines
03:00
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C4B4 Night and Day
03:40
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C4B5 Stars
06:49
