instruct – teach 教授(…课程) private – personal 私人的 vanish – disappear 消失 phase – stage 阶段 pattern – mode 模式, 式样 destroy – ruin 毁灭 facilitate (A 级)– help – assist 有助于 manufacture – make – produce – turn out 制造, 生产 prior to – before 在…之前 for good – forever 永远 be anxious to do …---- be eager to do…--- be keen to ….渴望… write down – put down 写下 try – attempt 努力 annoying – irritating 讨厌的, 令人生气的 boring – dull -- uninteresting令人厌烦的 seem – appear 看起来 contented – satisfactory – satisfied 满意的 exhibit – show 展示 show – indicate 表明 hate – dislike – be tired of – be sick of 讨厌, 不喜欢 terrible -- awful 可怕的 precise – accurate – exact 精确的 concise – brief -- short 简明的 elementary – basic – primary – fundamental 基本的 purchase – buy 购买