BBC news 2009-06-02 加文本

1.An international search is under way for an Air France jet which disappeared over the Atlantic Ocean with more than 220 people on board.

under way进行中, 在行进

例句：The subsidiary distribution is under way.
      补助金的发放正在有序进行。

2.However, an official from the airline says the search area has now been narrowed down to a zone of a few nautical miles.

narrow down减少, 限制, 缩小, 变窄

例句：The river has narrow down over the past 20 years.
      这条河在过去的二十年变窄了许多。

3.Hardline settlers attacked Palestinians, set fire to fields, cut down olive trees and scuffled with Israeli security forces.

set fire纵火, 放火烧

例句：He willfully set fire to the building.
      他故意地向该建筑物放火。

cut down砍倒, 胜过, 削减, 删节

例句：I asked the gardener to cut down all those bushes and plant flowers instead.
      我让花匠把所有灌木都砍掉，种上鲜花。