动物妈妈和宝宝（Animal Mothers and Babies)

　　"cubs【幼兽】 spend about 18 months with their mothers learning how to survive【生存】, and it may take them another year or two to become good hunters. they often start out chasing【追猎】 wildly inappropriate【不合适的】 prey【猎物】, including buffalo【野牛】. ... most females ... rear【培育】 fewer than two individual cubs to independence in an average lifetime of seven years."

　　"a fistful【一撮】 of mother's skin and hair keeps one-year-old bekti aloft【悬高】 as she rides on beth, who is hurtling【飞奔】 herself through the forest. it will likely be almost seven years before bekti will have a younger sibling【弟弟妹妹】.""jaws【口】 that can crush【碾碎】 a backbone【脊骨】 become a tender【温柔的】 conveyance【运输工具】 as [a bengal tiger【孟加拉虎】 named] sita totes【提着】 a cub【幼兽】 to a new den【兽穴】, a constant chore【家务】 to safeguard【保护】 her young from leopards【豹子】, wild dogs, and other tigers. hiding cubs well is critical【紧要的】, since she may be away hunting for 24 hours or more." a horse and foal【幼驹】 stand out against the gray of the english moors【荒野】.

　　"like humans, wolves display a variety of temperaments【性情】 and psychological quirks【怪癖】. their family structure more closely resembles【类似】 ours than do those of many primate【首领】 societies. loyalty and affection【忠于爱】 toward kin【家族】 are two of a wolf's more observable characteristics【显著的特征】."

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