同根常考词汇:需掌握
◆underground[’ndɡraund]n.地下,地铁:a.地下的;地下组织的:ad.在地下
举例:The spy never told his family about his underground activities.
那个间谍从来不把他的地下活动告诉他的家人。同形:ground[ɡraund]n.土地,战场,场地
◆underline[,nd‘lain]v.在……下面划线;强调
举例:That article underlined the same problem.
那篇文章强调了同一个问题。
◆undermine[,nd’main]v.渐渐破坏,逐渐削弱
举例:Badgers had undermined the foundations of the church.
獾在这座教堂的地基处打了洞。
同形:underneath[,nd‘niθ]ad.在下面:prep.在……下面:n.下部,底部
◆underwear[’ndw]n.内衣
举例:He had removed his underwear.
他已脱去了内衣。