But what is even more important is that the bats can raise the surrounding temperature so as to safely pass the winter. This is also a very important condition for the females to successfully suckle their young.
但更重要的理由，卻是互相取暖提高周遭的溫度，以安然度過寒冬，這也是雌蝠成功哺育幼蝠的重要條件。