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Some animals are awkward on land but able to move easily in the water.
一些动物在陆地上动作笨拙，但在水中却行动自如。
youdao
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Small occupation room and foot-wheel mechanism makes it move easily.
占地面积少，脚轮装置移动方便。
youdao
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Small occupation room and foot-wheel mechanism makes it move easily.
占地面积少，脚轮装置移动方便。
youdao