BBC在线收听下载:大韩航空“千金”大闹航班被释放

短语讲解：

1. Heather Cho who is the daughter of the airline’s chairman, was sentenced to a year in jail in February for diverting the plane.

be sentenced to 被判处……
例句：If convicted, he could be sentenced to death.
如果罪名成立，穆巴拉克将可能被判处死刑。

2. Researchers who have carried out the largest ever study of the tiniest organism in the ocean-plankton, say they have identified thousands of different species, they say plankton has been little studied despite making up 90% of marine life and being at least as important to the world’s ecosystem as the rainforests.

carry  out 执行; 进行; 完成
例句：They should also carry out some fundamental reforms.
这些政府也应该执行一些基础性的改革。
at  least 至少
例句：There are at least three reasons.
至少有三方面的原因。

3. The Tara expedition funded by the French fashion designer Agnes B has set out to across the global.

set  out 动身;  出发; 着手
例句：He bade his wife farewell and set out on his journey.
他辞别了妻子便启程了。

4. Irish voters go to the polls later today to take part in the referendum on whether to allow same sex marriage.

take part in 参加…，参与…活动
例句：Anyone can take part in the competition.
任何人都能参加这一比赛。