Some snails and frogs do nothing but begin to have a long sleep when the weather is hot and dry.

有些蜗牛和青蛙在天气干燥炎热时就什么也不做，而开始长长的睡眠。

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Some snails and frogs do nothing but begin to have a long sleep when the weather is hot and dry.

有些蜗牛和青蛙在天气干燥炎热时就什么也不做，而开始长长的睡眠。

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