Bai Yun gave birth to a cub in 1999 after she was artificially inseminated.Her offspring, Hua Mei, is the first U.S.-born panda to survive into adolescence.

  • “白云” 在1999年接受人工受精后生下了一只幼仔,它就是“华美”,是第一只出生在美国并成长到青春期的大熊猫。
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