1. volunteer n.志愿者，志愿兵
例句：She often does volunteer labour during holidays.
放假时她常去参加义务劳动。

2. announce vt.宣布; 述说; 声称
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。

3. decide vt.决定; 决心; 解决
例句：She decided to do a secretarial course.
她决定修一门文秘课程。

4. financial adj.金融的; 财务的
例句：You have a good chance of getting merit-based financial aid．
你很有希望得到奖励性的经济资助。
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