The culling of seal cubs has led to an outcry from environmental groups.
宰杀海豹幼仔的行为已引起了环保团体的强烈抗议。
《柯林斯英汉双解大词典》
Although polar bears' locomotion is similarly inefficient, polar bear cubs walk along with their mother.
尽管北极熊的运动能力同样低下,北极熊幼崽还是和妈妈一起前行。
Black bear cubs use trees for defense, whereas brown bears and polar bears, which regularly inhabit treeless environments, rely on aggression to protect their cubs.