今天我们要学的词儿是stamp out。 Stamp out是消除，消灭的意思，一般用于不好的，或是危险的事物。To stamp out crime是消灭犯罪，to stamp out racism是消除种族歧视。

"The companies vowed to stamp out piracy," 意思是这些公司发誓要消除盗版。随着北京2008年奥运会的临近，中国政府正在大力推广礼仪教育。媒体报道说，"Chinese officials have been trying to stamp out unseemly practices like spitting and littering," 意思是中国官员努力消除随地吐痰和乱扔垃圾等不得体的举止。好的，今天我们学习的词儿是stamp out...

1 racism

n.民族主义;种族歧视(意识)

参考例句：

He said that racism is endemic in this country.他说种族主义在该国很普遍。

Racism causes political instability and violence.种族主义道致政治动荡和暴力事件。

2 vowed

起誓，发誓(vow的过去式与过去分词形式)

参考例句：

He vowed quite solemnly that he would carry out his promise. 他非常庄严地发誓要实现他的诺言。

I vowed to do more of the cooking myself. 我发誓自己要多动手做饭。