1. operate vt.操作; 经营; 运转; 管理
例句：The doctors decided to operate on the patient once.
医生们决定立刻动手术。

2. perform vt.执行; 履行; 表演
例句：Resolve to perform what you ought; perform without fail what you resolve.
该做的一定要做，要做的一定要做好。

3. raise vt.筹集; 提升; 增加
例句：He raised his hand to wave
他举手挥动起来。

4. appear vi.发表; 出现，显现
例句：I have to appear in court on a charge of drunken driving.
我被控告醉酒驾驶而要出庭受审。

5. operate vt.操作; 经营; 运转
例句：The doctors decided to operate on the patient once.
医生们决定立刻动手术。
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