... 补水装置 » Fill water devices 他爷爷不会游泳 » His grandfather could not swim 在里面开心的学习 » Happy study inside ...
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...在运动会上，他尽可能地快跑 » In the games, he as far as possible, run fast 他爷爷不会游泳 » His grandfather not swimming 你认为你的学校举办的科学讲座太枯燥，不想参加 » Do you think that your school science lectures organized by too boring, d...
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