1.best picture 最佳影片

例句：Academy Award Nominations including best picture, best director, best adapted screenplay!

获奥斯卡金像奖10项提名,其中包括最佳影片，最佳导演和最佳改编剧本奖.

2.claim responsibility 承担责任

例句：There hasn't been any immediate claim of responsibility.

还没有任何组织宣布对这一事件负责.

3.set off 点燃

例句：Someone set off a fire extinguisher.

有人打开了灭火器。

4.suicide bomb 自杀式炸弹

例句：It started with a suicide bomb.

它开始于一次自杀式炸弹袭击。