重点讲解：

promotion

n. 提升；推销，促销；促进；发扬，振兴

I narked at his not telling me the news about promotion.

他没把他晋升的消息告诉我，令我很恼火。

depositnion

沉积物；矿床；革职；[律]（在法庭上的）宣誓作证，证词

A thick deposition of mud covered the field.

田野上覆盖着一层厚厚的沉积物。

condescend

vi. 屈尊；谦逊

She is so proud that she will not condescend to speak to us.

她非常骄傲，不肯放下架子同我们说一句话。