哺乳动物的

Sperm capacitation is an essential mature process before mammalian fertilization. Making sperm capacitated in vitro is an important prerequisite to complete fertilization in vitro.

精子获能是哺乳动物受精前必须经历的一个成熟过程，所以精子的体外获能便是实现体外受精的一个重要前提。

Vitamin K epoxide reductase generates vitamin K hydroquinone to sustain γ-carboxylation of many blood coagulation factors.

哺乳动物维他命K环氧化物还原酶催化对维他命K苯二酚的生成，这是维他命K循环中的决定性一步，是血液凝固所必需的。

Any of various marine mammals of the order Cetacea, having the general shape of a fish with

鲸一种鲸目海生哺乳动物，具有鱼的外形，前肢变异以形成鳍肢，其尾巴带有水平尾片，有一或两个鼻孔以供呼吸，尤其指与小型海豚相区分的体型巨大的一类

Any of various marine mammals of the order Cetacea,having the general shape of a fish with forelimbs modified to form flippers,a tail with horizontal flukes,and one or two blowholes for breathing,especially one of the very large species as distinguished from the smaller dolphins and porpoises .

鲸一种鲸目海生哺乳动物，具有鱼的外形，前肢变异以形成鳍肢，其尾巴带有水平尾片，有一或两个鼻孔以供呼吸，尤其指与小型海豚相区分的体型巨大的一类

Any of various marine mammals of the order Cetacea,having the general shape of a fish with forelimbs modified to form flippers,a tail with horizontal flukes,and one or two blowholes for breathing,especially one of the very large species as distinguished from the smaller dolphins and porpoise s.

鲸一种鲸目海生哺乳动物，具有鱼的外形，前肢变异以形成鳍肢，其尾巴带有水平尾片，有一或两个鼻孔以供呼吸，尤其指与小型海豚相区分的体型巨大的一类

Whale Any of various marine mammals of the order Cetacea, having the general shape of a fish with forelimbs modified to form flippers, a tail with horizontal flukes, and one or two blowholes for breathing, especially one of the very large species as distinguished from the smaller dolphins and porpoises.

鲸：一种鲸目海生哺乳动物，具有鱼的外形，前肢变异以形成鳍肢，其尾巴带有水平尾片，有一或两个鼻孔以供呼吸，尤其指与小型海豚相区分的体型巨大的一类

"This represents the first global extinction of a large vertebrate for over 50 years, only the fourth disappearance of an entire mammal family since AD 1500, and the first cetacean species to be driven to extinction by human activity."

这是50多年来第一大型脊椎动物的灭绝，也是自公元前1500年以来第四次整个哺乳动物家族的消亡，第一个因为人类活动灭绝的鲸类物种。

Today, the crabeater seal population in the Antarctic is the largest in the world-possibly more than 15 million seals-making it the most numerous large mammal on the planet after humans.

如今在南极洲，食虾海豹的数量是目前世界上最多的——可能超过了150万只。这让它成为了地球上继人类之后数量排名第二的哺乳动物。

Dasyure Any of various often carnivorous marsupials of the family Dasyuridae of Australia, Tasmania, and adjacent islands, including marsupial mice and rats, native cats, the Tasmanian devil, and the Tasmanian wolf.

袋鼬：袋鼬科中的一种通常为食肉的有袋哺乳动物，生长在澳大利亚、塔斯马尼亚和邻近的岛屿，包括袋鼠和袋猫、塔斯马尼亚袋獾和袋狼

Small mammals, birds, and other reptiles are the preferred food of western diamondback rattlesnakes.

小的哺乳动物，鸟类和其他爬行动物是首选的食物在西部有菱形斑纹的响尾蛇。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。