1.discussion n.讨论,谈论; 详述
例句:There was a lot of discussion about the wording of the report
关于此则报道的措辞议论纷纷。
2.defend vt.保卫; 辩护
例句:Every man who could fight was now committed to defend the ridge
每个能够参加战斗的男子现在都决心要保卫这条山脊。
3.serious adj.严肃的,严重的;
例句:Crime is an increasingly serious problem in Russian society
犯罪猖獗是俄罗斯社会面临的一个日益严重的问题。
4.split vt.分裂; 分开
例句: In a severe gale the ship split in two
在一次大风中,船断成了两截。
5.separate vt.分开; (使) 分离
例句:This test should separate the sheep from the goats.
这次测试会鉴别出好坏来的。