instruct teach 教授
private personal 私人的
vanish disappear 消失
phase stage 阶段
pattern mode 模式， 式样
destroy ruin 毁灭
facilitate 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