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2. reserve vt.储备; 保留
例句：Call ahead to reserve a room.
事先打电话预定一个房间。
3. poverty n.贫穷; 缺乏，不足;
例句：Don't let poverty creep up on you and drag you down.
不能让贫穷把你拖垮。
4. prevent vt.预防; 阻止
例句： Ways must be found to prevent the poisonous gases from polluting the air.
一定要找到办法防止有毒气体污染空气。
5. ravage vt.毁坏; 劫掠
例句：Any nose may ravage with impunity a Rose.
任何一个鼻子都可以夺走蔷薇的芳香而不受惩罚。
6. advocate vt.提倡; 鼓吹
例句：I advocate a policy of gradual reform.
我拥护逐步改革的政策。
7. identify vt.确定; 识别，认出
例句：He thought that he should not identify himself with that group.
他认为他不应该和那群人接近。
