Overmillionsofyears,penguins（企鹅）havedevelopedakeensense...
问题详情：Overmillionsofyears,penguins（企鹅）havedevelopedakeensenseofwheretofindfood.Oncethey’reoldenough,theysetofffromtheshoresonwhichtheywerehatchedforthefirsttimeandswimlongdistancesinsearchoftastyfi...