BBC在线收听下载:英国正式启动脱欧程序

短语讲解：

1.The German Chancellor, Angela Merkel, said the E.U. must first work out how to extricate Britain from commitments built up during 44 years of membership.

build up 逐步建立; 增进
例句：In a small bay big waves will never build up.
在小的港湾里,永远也不会形成大的波涛。

2.A millionaire architect from Colombia, 38-year-old Rafael Uribe Noguera, has been sentenced to almost 52 years in prison for the kidnap, rape and murder of an indigenous girl.

be sentenced to 被判处……
例句：Those found guilty of rebellion and insurrection will be sentenced to life imprisonment.
那些被判决犯有谋反叛乱罪的人将被处以终身监禁。

3.The rights group, Amnesty International, said Nasser Bin Ghaith's tweets were related to his belief.

be related to 与……有关， 和……有联系
例句：It is related to it in some direct but unknown fashion.
它们之间有某种直接的但是形式未知的关系。