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来源:雅诚德英语网
Females nurse their young for three to four months until the babies can swim on their own.
雌性要抚育它们的幼仔三至四个月,直到小宝宝能够自己游泳。
Females nurse their young for three to four months until the babies can swim on their own.
雌性要抚育它们的幼仔三至四个月,直到小宝宝能够自己游泳。