In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士一些山谷安装了路灯之后，欧洲较菊头蝠已经消失，这很有可能是山谷中突然充斥着路灯食麦氏油蝠缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士一些山谷安装了路灯之，欧较少数的菊头蝠已经消失，这很有可能是山谷中突然充斥着路灯食的麦氏油蝠的缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士一些山谷安装了路之后，欧洲较少数菊头蝠已经消失，这很有可能是山谷中突然充斥路氏油蝠缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

一些山谷安装了路灯之后，欧洲较少数的菊头蝠已经消失，这很有可能是山谷中突然充斥着路灯食的麦氏油蝠的缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士谷安装了路灯之后，欧洲较少数的菊头蝠已经消失，这很有可能是谷中突然充斥着路灯食的麦氏油蝠的缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士一些山谷安装了路灯之后，欧洲较少数的菊头蝠已经消失，这很有可能是山谷中突然路灯食的蝠的缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士一些山谷安装了路灯之后，欧洲较少数的菊头蝠已经消失，这很有可能是山谷中突然充斥着路灯食的麦氏油蝠的缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士一些山谷安装了路灯之后，欧洲较少数的菊头蝠已经消失，这有能是山谷中突然充斥着路灯食的麦氏油蝠的缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士一些山了路灯之后，欧洲较少数的菊头蝠已经消失，这很有可能是山中突然充斥着路灯食的麦氏油蝠的缘故。

In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.

瑞士一些山谷安装了路灯之后，欧洲较少数的菊头蝠已经消失，这很有是山谷中突然充斥着路灯食的麦氏油蝠的缘故。