VOA慢速英语:The Never-Ending Controversy Over Same-Sex Education

词汇讲解：

1. attend vt.出席，参加
例句：I went to london to attend an event.
我去伦敦参加了一个活动。

2. effective adj.有效的; 起作用的
例句：The most effective weapon is democracy itself.
反腐最有效的武器是民主本身。

3. establish vt.建立，创建
例句：.  They want to establish trade relations with us. 
他们想和我国建立贸易关系。 

4. relevant adj.有关的，中肯的
例句：At least that one's sort of relevant.
不过至少这还有点相关。

5. include vt.包括; 包含
例句：That can include the happiness of our children.
其中也包括孩子们的快乐。

6. interaction n.一起活动; 合作; 互相影响
例句：This is called an epistatic interaction.
这称为上位相互作用。