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今年至今,我国今年已人工繁育大熊猫14胎22仔,其中有8对双胞胎,目前共成活21仔。国宝大熊猫一年只怀孕一次,每次产仔一到两只。大熊猫的繁
So far this year, China has artificial breeding giant panda 14 tires 22 Aberdeen this year, of which there are 8 pairs of twins, the current total of 21 survivors. National treasure giant pens only once a year pregnant, each born one to two. The giant panda is complicated