土拨鼠一般指旱獭，全球约15种，我国有4种，即灰、长尾、西伯利亚和喜马拉雅旱獭，分布于西北、东北及青藏高原的草原、高山草甸。网络视频里旱獭矮胖蠢萌，体长可达60厘米、体重超7公斤，靠厚毛皮与脂肪形似肉墩。分类学上，旱獭与敏捷的松鼠是近亲，同属松鼠科不 ...

葱油面，这道看似简单却滋味无穷的传统中式面食，总能以其独特的魅力唤醒人们味蕾深处的记忆。Scallion oil noodles, a traditional Chinese dish that may seem simple yet full of ...

During the late spring cold snap, cases of colds and flu increased significantly. It is so cold that I bought an electric blanket. The house has gas-fired central heating.

那水呢，不但不结冰，倒反在绿萍上冒着点热气，水藻真绿，把终年贮蓄的绿色全拿出来了。天儿越晴，水藻越绿，就凭这些绿的精神，水也不忍得冻上，况且那些长枝的垂柳还要在水里照个影儿呢！看吧，由澄清的河水慢慢往上看吧，空中，半空中，天上，自上而下全是那么清亮， ...

See? “By” originally means “bye” or byway. That’s why, in fact, some people still spell “by the by” as “by the bye”. By the ...

They praised the event's preparations and extended their best wishes to the athletes ... "I am very excited. Although the ...

For decades, Chinese athletes have been winning medals in Asian and international winter games in speed skating and figure ...

探寻逻辑推理的乐趣，本文将带你走进热门的逻辑游戏世界。从烧脑策略到解谜挑战，盘点人气爆棚的那些游戏，无论是策略大师还是推理爱好者，都能在其中找到乐趣与满足。一探究竟，看看哪一款能点燃你的思维火花？

日本是世界老龄人口最多的国家之一。去年12月，美国国家卫生统计中心还将日本评为全世界最适宜养老的国家。日本冲绳也是世界闻名的养老圣地，这里的长寿老人比比皆是，幸福指数也很高。然而据CNN近日报道，日本也有不少老人的生活处境堪忧，令人触目惊心。

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...

高中英语涉及到的语法是英语语法学习的深水区。很多人幻想，高中英语的语法和初中一样，背一个规则或者掌握一个口诀就能够把事情搞定。可是现实非常骨感，高中英语的语法重点其实是词法，也就是每一个词的用法，词法的具体化形式就是“词组短语和固定搭配”。为什么词法 ...