【词汇讲解】
1.Disarm v. 裁军，解除武装，缓和
如：The police disarmed the criminal.
警察缴下了罪犯的枪械。
We didn't trust him at first, but his charming manner completely disarmed us.
我们开始时并不信任他，但他令人愉快的举止完全消除了我们的疑虑。
2.opponent n. 对手，敌手，反对者
如：He was assailed by his political opponent.
他遭到政敌的攻击。
I tried to comfort him after he was defeated by his opponent.
他被对手击败后，我尽力安慰他。
3.rebut v. 反驳， 辩驳， 举反证
4.Keep track of vt. 留意
如：Keep track of the time you actually travel.
把你旅行的实际时间记录下来。
Please ask if you cannot keep track of what I'm telling you.
如果你们听不懂我所讲的话，请提问。
5.commonality n. 公共，普通性，老百姓