vibration sky liquid ruler salt weather
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magnification heat straight-line motion
dissolving circular insect similarities
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weight prehistoric mixture states of
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characteristics magnet habitat earth
gas balance mammoth boulder
sun's position distance day machine
growth light size motion death plant
freezing week ocean animal patterns
animals similarity month universe
conditions temperature reasoning dinosaur
gravity energy chart burning thermometer
solid seasonal daily change sun's size
behavior pattern diversity of life rock
matter scientist earth's rotation
prediction magnifier food science
速度 (字/分): 0 | 正确率 : 100%|时间: 05:00
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