冬眠

• Not all the animals hibernate in winter
  不是所有的动物都在冬天冬眠。
• The bears den up together during the winter
  冬天熊一起在洞穴里冬眠。
• Frogs hibernate during the winter every year
  每年冬天青蛙都会冬眠。
• He ' s trying to fatten dan up so they can hibernate together
  他想把丹喂胖点他们好一起冬眠
• A female brown bear is sleeping inside it
  一只母棕熊正在里面冬眠。
• But not all wasps sleep like this
  但并不是所有的黄蜂都像这样冬眠。
• When it gets very cold , they hibernate
  当天气变冷时，他们就冬眠。
• Many kinds of toad hibernate in winter
  许多种蟾蜍在冬天都会冬眠。
• Hibernation is more than sleep
  冬眠不仅仅是睡眠，而是一种沉睡。
• During winter , bears hibernate in caves
  在冬天，熊在洞里冬眠。