慢速英语:Defense Department Investigates Top American Commander in Afghanistan

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1. retire vt. 退休
例句：I want to retire in front of the home fans.
我想在家乡父老的面前退役。

2. resign vt. 辞职
例句：Will the finance director agree to resign?
财务主任同意辞职吗？

3. decide vt. 决定
例句：Why couldn't nigel decide?
为什么奈杰尔作不了决定？

4. harmful adj. 有害的
例句：It is harmful to your health.
它对你的健康有害。

5. security n. 安全
例句：Security must be part of the design.
设计必须包含安全性。

6. classify vt. 分类
例句：He carefully began to classify the results of his examinations.
他开始细心地为他的检验结果分类。