It is hard for him to keep warm by himself.
他自己很难保证自己的温暖。
By absorbing sunlight, the floating plants help keep the ocean surface relatively warm. When there are fewer of them, the sun's heat concentrates deeper down.
浮游植物由于吸收阳光，有助于保持海洋表面相对温暖。浮游植物较少的地方，太阳的热量会聚集在海洋较深之处。
By absorbing sunlight, the floating plants help keep the ocean surface relatively warm.
浮游植物由于吸收阳光，有助于保持海洋表面相对温暖。
She wrote how the survivors huddled in the bottom of the boat to keep warm until they were rescued two hours after the sinking by the ship Carpathia.
她写到幸存者都蜷缩在船底部来取暖，直到在船沉没后两小时他们获救为止。
Whether that means sitting by the fire, snuggling up with a loved one or pet, piling on the blankets, or having a warm drink, keep yourself warm.
不管以一种什么样的方式，坐在火炉旁，依偎在爱人或者宠物的身旁，躺在毛毯上，喝一杯暖和的饮料让自己保持温暖。
Today, commercial aircraft remove ice that accumulates on wings in-flight by redirecting hot air from the jet engines to the leading edge of the wings to keep them warm.
今天，商用飞机主要靠把从喷气式引擎排出的热空气引导到机翼的边缘，使它们变暖，以此来达到除冰的目的。
Frankfurt is the most expensive place to buy clothes, but residents won't be penalised heavily if they keep warm instead by leaving the heating on, which is half the New York cost.
服装最昂贵的地方是法朗克福，不过如果当地居民只是保暖的话，消费并不会太离谱，只需要纽约的一半。
Whales, seals and penguins cope with the consequent danger of freezing up by burning vast amounts of food to keep their bodies warm and by insulating themselves with thick layers of fat.
鲸鱼，海豹和企鹅要应付随之而来的冻僵危险，可通过消耗大量的食物保持体温及自身一层厚厚的脂肪保暖。
Wear socks that wick away wetness but keep your feet warm. Runner Joe McNulty of Philadelphia swears by nonitchy SmartWool socks.
而费城跑者乔•麦克鲁迪则拿不痒的羊毛袜发誓说，穿袜子会驱走湿气，让你的脚丫子暖暖的。
Those high, wispy clouds actually keep Earth warm, like a blanket, by preventing heat from escaping into space.
实际上，那些高空的束状云是为地球保暖的，它们的作用很像地毯，阻止了热量流失到太空中。
When he gets back,the parents take turns holding the chick on their feet to keep it warm for the next eight weeks.At that point it's old enough to safely stand on the ice by itself.
雄帝企鹅终于可以去吃东西了，当它返回后，在接下来的8周时间内父母将轮流把幼小的帝企鹅放在它们的双脚上保持温暖，直到小家伙长大到足以自己安全地站立在冰面上为止。
We need to feed ourselves. We need to keep ourselves warm by buying clothes and we need to entertain ourselves.
我们需要养活自己，我们需要买衣服给自己保暖，我们需要娱乐自己。
Because hot air rises, ceiling fans may be used to keep a room warmer in the winter by circulating the warm stratified air from the ceiling to the floor.
因为热空气上升，冬季，吊扇使从天花板到地面之间的气体层循环来保持房间温暖。
He picked up crumbs outside the baker's door when the baker was not looking and tried to keep himself warm by flapping his wings.
他只好趁面包师不注意的时候，从面包店门口弄点面包屑充饥，并扑扇着翅膀为自己取暖。
He picked up crumbs outside the baker's door when the baker was not looking and tried to keep himself warm by flapping his wings.
他只好趁面包师不注意的时候，从面包店门口弄点面包屑充饥，并扑扇着翅膀为自己取暖。
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