这种疾病使蝙蝠迷失方向，扰乱它们的睡眠，并且让它们在冬眠期本不该飞行的时候乱飞，致使蝙蝠找不到昆虫虚弱而死。
The disease disorients bats, disturbing their sleep and causing them to fly when they normally don't, during hibernation. Unable to find insects, they weaken and die.
它们用长时间的睡眠来度过冬季。这叫冬眠。
They spend the winter in a long sleep. This is called hibernation.
阿拉斯加黑熊每年冬眠7个月，冬眠期间不吃不喝，而且一直保持睡眠时的体力直到醒来。
Alaskan black bears hibernate for up to seven months a year, during which time they do not eat or drink, before waking up in virtually the same physical state they fell asleep in.
应用推荐