同根常考词汇:需掌握
◆forestall[f‘stl]v.阻止
举例:She forestalled their attempt.
她先发制人,阻止了他们的企图。
同形:install[in’stl]v.安装,安置,使……就职
◆forefather[‘f,fɑe]n.前人,祖先
举例:My forefather came to the USA:200:years ago.
我的祖先在两百年前来到美国。
◆forecast[’fkɑst]v.预测,预报
举例:Now scientists can forecast the weather accurately.
现在科学家们能准确地预报天气。
同形:cast[kɑst]v.投,掷,抛