因为东亚家蝠在人家的缝里做窝巢。
Because the bat makes the nest in small gaps of human 's house .
我觉得东亚家蝠是生物之一的一九九五年的大震灾以后减少数的。
I think this kind of bats is one of the species that decreased the number because of the big earthquake in1995 .
家蝠