美股在伯南克讲话后重拾升势

词汇讲解：

1. expectation n. 有信心的指望
例句：His parents have great expectations for his future.
他父母对他的前途深寄厚望。

2. bolster vt. 支持，鼓励(某人)；改善，加强(某事物)
例句：The high interest rates helped to bolster up the economy.
高利率使经济更稳健。

3. speculation n. 投机买卖,投机生意
例句：He made his money in property speculation.
他靠房地产投机发了财。

4. restore vt. 使复原
例句：The new manager's job is to restore the company to profitability.
新经理的任务是使公司扭亏为赢。

5. selfish adj. 自私的, 利己的
例句：You must learn to share and not be so selfish.
你一定要学会与他人分享, 不要那么自私。

6. boost vt. 提高;增加
例句：The company boosted its sales this year.
这家公司使今年的销售量增加了。

7. estimate n.估计, 估价; 判断
例句：I don't know her well enough to form an estimate of her abilities.
我对她不太了解, 无法对她的能力做出判断。

8. initiate vt.开始, 着手；传授; 使初步了解
例句：He has not yet been thoroughly initiated into the mysteries of computer.
他对计算机的奥秘尚未入门。

9. drag n. 累赘, 障碍
例句：She loves her family, but they're a drag on her career.
她热爱自己的家庭, 但家庭却是她事业的拖累。

10. disposal n. 控制;(自由)处置权
例句：A huge supply of knowledge is at your disposal at the library.
图书馆里有大量知识任你学习使用。