BBC在线收听下载:德国总理默克尔寻求第四次连任

短语讲解：

1. Officials and activists in Lybia say that a deadly clash between tribes has been set off by a pet monkey.

set off 出发; （使） 开始; 引起; 点燃
例句：It's raining. Even so, we must set off.
天在下雨,尽管如此我们还是要出发。

2. Reports say a monkey belonging to members of one tribe attacked a group of school girls belonging to another, sparking four days of fighting.

belong to 属于
例句：Earls, princes, and kings belong to the nobility.
伯爵、亲王和国王属于贵族。