bbc纪录片：【BBC美丽中国】沃土中原 12

英语自学网

As winter temperatures drop to minus 10 degrees Celsius, their dense fur keeps them warm. Mutual grooming not only keeps their precious fur in good condition, but also helps to reinforce bonds within the troop.冬天气温降至-10°C，他们浓密的毛发起到了保暖的作用。互相修理毛发不仅有助于保持宝贵毛发的良好状态，同时有助于增进成员间的关系。