Female pandas ovulate only once a year, in the spring.

女性排卵大熊猫一年只有一次，在春季。

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Female pandas ovulate only once a year, in the spring.

一年雌熊猫仅仅在春天排卵。

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Female pandas ovulate only once a year, in the spring.

一年雌熊猫仅仅在春天排卵。

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