为什么猪爱在泥地里打滚？Mud keeps pigs cool in the summer. Pigs have big and fat bodies. They get very hot when it’s warm. But pigs can’t sweat (流汗), so they stay in mud to keep cool. Pigs also use mud baths4 ……

IN the cold winter you can wear warm coats or stay in your house. But it is not as easy for some... close together to keep warm. ……

to the American Lung Association (美国肺协会). One of the best ways to keep healthy in winter is to stay warm.... It is the beginning of winter. How can we keep warm in winter? Take a look at these useful tips ……

is to stay warm.There are many ways to stay warm. Keeping your home warm is important. Living rooms... or electric blanket (电热毯) to keep warm while in bed. Getting plenty of exercise is also important for keeping ……

cool给车穿的“斗篷”让车座不再烫屁股给车穿的“斗篷”让车座不再烫屁股Isn’t it hot to stay in a car under the sun? Chinese scientists have an idea to make cars stay cool. They made a cloak (斗篷) for cars.  When they put the cloak ……

why? In cold weather, most house cats grow thick fur to stay warm. While in summer, they shed to cool off. Cats also lick their paws to keep cool.Pigs – mud bathsWe think pigs are dirty when ……

头脑冷静Jacky can’t find his schoolbag. He is very worried4. Ella says to him: “Keep a cool head, Jacky! Maybe (可能) you left (遗忘) it on the playground. ”Keep a cool head的意思是保持冷静。我们还可以说stay cool或keep cool. ……

grow extra fur to stay warm, and shed it in summer to cool off. Cats also lick their paws to keep... do animals do to beat the heat? From dogs to elephants, animals have their own ways to keep cool ……

to the core (核心) of your body to help it stay warm.  TEENSHow long could you stand on ice without socks... body to help it stay warm.  TEENS ……

. That way the sheep is lighter (更轻松的) and cool. But farmers don’t cut off all the wool. They leave a short layer (层) to keep the sheep warm. TEENS ……

IN this chilly weather, you'll need to dress warm and look cool. 21st Century visited some Beijing..., long socks like these ensure your feet will stay warm and stylish ……

筏艇). They keep you cool and active at the same time.You can also be creative (有创意的) by learning cool indoor...’s favorite season, is almost here!Summer is the time to go outdoors and play. How to stay fit during ……

炎炎夏日，动物解暑有妙招！Summer is really hot. Fans (风扇) and air conditioners (空调) keep us cool. But what can animals do in summer? Many animals like to stay in cool places. Pigs like to stay in mud. Hippos like ……

. Spring is short – the days start to get warm, often over 15 C, but nights stay cool or even freezing...'s the weather like?How is the weather?It's sunny/windy/snowy/windy/cloudy/hot/cold/warm/wet/cool...1 ……

opportunities to get outside and be active. How to stay fit in this warm season? Here are some good ideas: Stay... water sports like swimming, surfing, water skiing and kayaking (划皮筏艇). They keep you cool and active ……