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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·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。

3·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.

黑熊幼崽用树来防御，而经常生活在没有树的环境中的棕熊和北极熊则依靠攻击性来保护它们的幼崽。

4·Because sloth bears are smaller than brown and polar bears and are under greater threat from dangerous animals, they may have adopted the extra precaution of carrying their cubs.

因为树懒的体型比棕熊和北极熊要小，而且面临着更大的来自危险动物的威胁，所以它们可能会带着幼仔采取额外的预防措施。

5·The lioness is still nursing her cubs.

这只母狮还在给它的幼崽喂奶。《牛津词典》

6·These were cubs.

这些是幼崽。

7·Spot and Stripe are the first tiger cubs that have ever been born here.

斑点和条纹是在这里出生的第一批小老虎。

8·For the first few days, Kynan was always a bit disappointed that the cubs weren't there.

最初几天，凯南总是对幼崽不在身边感到有些失望。

9·Globally, a third of Sumatran cubs in zoos don't make it to adulthood, so I decided to give them round-the-clock care at home.

在全球范围内，动物园里三分之一的苏门答腊老虎幼崽活不到成年，所以我决定在家里全天候照顾它们。

10·Collectively these factors probably selected against tree-climbing as a defensive strategy for sloth bear cubs.

总的来说，这些因素可能选择不爬树作为懒熊幼崽的防御策略。

(1)cub scout幼童军

(1)cub reporter初出茅庐的新闻记者