One bear's temperature did not drop much during early hibernation — until she gave birth to a cub.
一头熊的体温在冬眠早期并没有降低多少——直到她诞下了一个宝宝。
Bai Yun gave birth to a cub in 1999 after she was artificially inseminated.Her offspring, Hua Mei, is the first U.S.-born panda to survive into adolescence.
“白云”在1999年接受人工受精后生下了一只幼仔，它就是“华美”，是第一只出生在美国并成长到青春期的大熊猫。
Bai Yun gave birth to a cub in 1999 after she was artificially inseminated. Her offspring, Hua Mei, is the first U.S.-born panda to survive into adolescence.
“白云”在1999年接受人工受精后生下了一只幼仔，它就是“华美”，是第一只出生在美国并成长到青春期的大熊猫。
In 1917 Hemingway joined the Kansas City Star as a cub reporter.
1917年，海明威在堪萨斯明星报当见习记者。
Whenever a cub was abandoned after birth, keepers at the Chengdu centre swiftly moved it to an incubator.
只要有熊猫崽被遗弃，成都的饲养员就会迅速将其放到育崽箱。
Bai Yun gave birth to a cub in 1999 after she was artificially inseminated. Her offspring, Hua Mei, is the first U. S. -born panda to survive into adolescence.
“白云”在1999年接受人工受精后生下了一只幼仔，它就是“华美”，是第一只出生在美国并成长到青春期的大熊猫。
Pandas are notoriously fussy when it comes to finding mates. Females in the wild normally have a cub once every two to three years, and the fertility of captive giant pandas is even lower.
大熊猫寻找伴侣时非常挑剔，野生雌性大熊猫每隔两三年生一只幼仔，圈养大熊猫的繁殖率就更低了。
Keith was a Cub Scout in the 1950s, he had a great urge to do good deeds and pile up merit badges.
曾经参加过幼年童子军（Cub Scout），那时他非常希望多做好事，多拿奖章。
Before his third grade school year started, a Cub Scout Pack leader called and asked if I would take on another boy.
当儿子上三年级的时候，另一名幼年童子军的领队人给我打了个电话，问我是否能让一名男孩加入我的队伍。
Before his third grade school year started, a Cub Scout Pack leader called and asked if I would take on another boy.
当儿子上三年级的时候，另一名幼年童子军的领队人给我打了个电话，问我是否能让一名男孩加入我的队伍。
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