慢速英语:US Military Facing Threats from Terrorists, Countries

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1. influence vt.影响; 感染
例句：Do not imagine that I want to influence you.
不要认为我想叫你照我的意思办。

2. determine vt.决定，确定; 判定
例句：Shall we determine a date for the meeting?
我们来决定一下会议的日期好吗?

3. significant adj.重要的; 有意义的
例句：The advantage for new users will be immediate and significant.
对于新用户来说，好处是显而易见的。

4. announce vt.宣布; 述说
例句：Please announce to the children that there will be no school this afternoon.
请通知孩子们今天下午不上课。

5. reduce vt.减少; 缩小
例句：Oil is put in machinery to reduce the friction.
把油涂到机器上减少摩擦。