鸭嘴兽

The young hatch at around 10 days and are suckled for up to 4 months in a long bankside burrow sometimes reaching 60ft or more in length.

蛋需在河边洞穴孵约10天，哺乳直四个月后幼鸭嘴兽重达60磅，身体长度增加。

Jeff: Of course, they have strange appearances, such as duckbill,millie, and kookaburra.

杰夫：当然，它们的外貌稀奇古怪，有鸭嘴兽、针、笑翠鸟。注意，注意力集中

In 1843, Friedrich Engels saw an egg of a duckbill in England. People told him that it was a mammal animal from Australia. He broke into laughter after hearing it and said: All the mammal animals were vi-viparous. The duckbill was oviparous, so it could not be a mammal an-imal''.

1843年恩格斯在英国看到一只鸭嘴兽的蛋，人们告诉他，这是澳大利亚的一种哺乳动物，恩格斯听后哈哈大笑说："哺乳动物都是胎生的，鸭嘴兽是卵生的，因此肯定不是哺乳动物。"

In 1843, Friedrich Engels saw an egg of a duckbill in England. People told him that it was a mammal animal from Australia. He broke into laughter after hearing it and said:"All the mammal animals were viviparous. The duckbill was oviparous, so it could not be a mammal animal".

1843年恩格斯在英国看到一只鸭嘴兽的蛋，人们告诉他，这是澳大利亚的一种哺乳动物，恩格斯听后哈哈大笑说："哺乳动物都是胎生的，鸭嘴兽是卵生的，因此肯定不是哺乳动物。"

In 1843, Friedrich Engels saw an egg of a duckbill in Engla 北美文学网 nd. People told him that it was a mammal animal from Austra 中 lia. He broke into laughter after hearing it and said:"All 说 th 北美枫44 e mammal animals were viviparous. The duckbill was oviparous, so it could not be a mammal animal".

1843年恩格斯在英国看到一只鸭嘴兽的蛋，人们告诉他，这是澳大利亚的一种哺乳动物，恩格斯听后哈哈大笑说："哺乳动物都是胎生的，鸭嘴兽是卵北美枫上生的，因此 6中肯定不是哺乳动 dj 物。"

Although the platypuses\' forebrains were inactive during sleep, the brain stem was active. So are platypuses dreaming?

尽管鸭嘴兽的前脑在睡眠中不活动，脑干却是活动着的，那么鸭嘴兽是在做梦吗？

Then again, platypuses experience more REM than any other animal and researchers wonder why, because, as Minnesota's Mahowald puts it,"Platypuses are stupid. What do they have to consolidate?"

动物中鸭嘴兽快速眼动时间最长，对此科学家却表示不解，因为，用明尼苏达的 Mahowald 的话说，&鸭嘴兽很笨，它们有什么好巩固的？&

Then again, platypuses experience more REM than any other animal and researchers wonder why, because, as Minnesota's Mahowald puts it, Platypuses are stupid.

但又有反例，鸭嘴兽的快速眼动时间比其他动物都长，科学家却对此不解，因为，用明尼苏达的Mahowald 的话来说就是鸭嘴兽很笨。

Lizards, platypuses, sheep, and humans could hardly be more different in anatomy or eating habits, yet the salt content in the fluid surrounding their blood cells is virtually identical.

蜥蜴，鸭嘴兽，在解剖学和饮食习惯上完全不同，蜥蜴，鸭嘴兽，绵羊和人类，在解剖学和饮食习惯上完全不同，但细胞周围的液体中的盐含量却基本上是相等的。

Although often called the Duck-billed Platypus, suggesting that there are more than one type, the correct name is the Platypus, as there is actually only one known species.

尽管经常被叫做有着鸭子嘴巴的鸭嘴兽并让人联想到鸭嘴兽的不止一种，但是正确的叫法应该是鸭嘴兽，因为实际上只有一种物种。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。