1·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》
2·Notorious loungers, they'll lie in the shade, often ignoring their cubs, while the females risk life and limb on the hunt.
它们懒的出了名，总是躺在阴凉处，常常忽视幼仔，而雌性却会冒着生命危险去猎食。
3·When cubs are hungry, they produce a grating fingernails-on-blackboard sound, with their lips pulledback from their teeth, to encourage their mother to lie down so they can nurse.
当幼仔饥饿时，它们会将嘴唇向牙齿后拉，发出指甲挠抓黑板般的尖锐叫声，以促使它们的母亲躺下来喂奶。
4·The other cubs are genetic competition for him.
其他幼仔是他的竞争基因。
5·Two polar bear cubs play with rubbish along the Barter Island shore.
两个北极熊幼仔在巴特岛海岸玩垃圾。