Some bears hibernate.有些熊冬眠。In cool weather, serpents do not tempt; they grow diffident, recede and hibernate.在凉爽的天气里, 蛇是不会出来引诱人的, 它会胆怯 、 退避,还要冬眠.In winter bears usually hibernate in their dens.冬天熊通常在穴里冬眠.Dormice hibernat...
...this year's unusually harsh winter.今年异常寒冷的冬天He had been feeling drowsy, the effect of an unusually heavy meal.他一直感到昏昏沉沉的，这是吃了一顿超级大餐的结果。She possesses a soprano voice of unusually fine quality.她有着音质特别好的女高音歌喉.For ex...