慢速英语:More Cases of Brain Disease from Football Blows

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1. propel vt.推动; 推进; 驱使
例句：The engine-generator provides sufficient power to propel the vehicle.
内燃机发电机能提供足够的能量驱动汽车。

2. examine vt.检查，调查; 考试
例句：We need to examine into details.
我们必须详细检查。

3. depression n.萎靡不振，沮丧; 下陷处
例句：I suffered from severe bouts of depression.
我曾患有严重的抑郁症。

4. suffer vi.受痛苦; 受损害
例句：The well-fed don't know how the starving suffer.
饱汉不知饿汉饥。

5. loyalty n.忠心; 忠诚，忠实
例句：He took an oath of loyalty to the government.
他宣誓效忠政府。

6. handle vi.操作，操控; 容易搬运
例句：Do you know how to handle the machine?
你知道怎样操作这台机器吗？

7. announce vt.宣布; 述说; 声称
例句：She was planning to announce her engagement to Peter.
她正计划宣布她和彼得订婚一事。