以i開頭的詞匯
ice [ais] n. 冰，冰塊 v. 冰鎮(zhèn)
break the ice 打破僵局
ice age [地]冰河時代, 冰川期
ice crystal 冰晶
ice water (用作飲料的)冰水
e.g.ice is water in a solid state. 固體狀態(tài)
idea [ai'diə] n. 想法（thought），主意（opinion, plan），概念（concept， conception， notion）
have no idea of ... 對...一點兒也不知道
force one’s ideas on sb. 迫使某人接受自己的意見
e.g. you have no idea how worried i was.
impact ['impækt] n.影響(effect, influence)，碰撞(hit, bump)
have an impact on... 對...有影響
e.g. she had no impact on her advice.
imply [im'plai] vt. 暗示(hint, suggest)
e.g. his silence沉默 implied agreement.
importance [im'pɔ:təns] n. 重要(性)(significance)，重大
attach importance to ... 重視...
e.g. quality質(zhì)量 is of first importance.
important [im'pɔ:tənt] adj 1重要的，重大的，2有權力的，有地位的
impression [im'preʃən] n. 印象(effect, influence, impact)
e.g. what's your impression on him?
improve [im'pru:v] v. 改善(amend, polish up, enhance, make better)，改進(get better, develop, progress)
improve on/upon... 對...加以改進
improve price 提高價格
improve the opportunity 利用[抓住]機會
e.g. we'll try our best盡最大努力 to improve.
improvement[im'pru:vmənt] n. 改進, 進步(advance, progress, development)
make improvement in... 在...方面取得進步
e.g. there is need for improvement in your handwriting.書法
incident ['insidənt] n. 事件(affair, event, matter, occurrence, accident)
e.g. this incident set me thinking.
include [in'klu:d] vt.包括(comprise, involve)，包含(contain, cover)
e.g. please include me in the list.名單
income ['in,kʌm] n. 收入，收益(earnings)
income tax n. 所得稅
e.g. he needs a high income to support 支持such a large family.
increase [in'kri:s] v.增加(add to, enhance, gain)，加大 n. 增加，增大
on the increase 正在增加
an increase in ... 在...方面增加
e.g. divorce離婚 is on the increase.
independence[,indi'pendəns] n. 獨立, 自主
independence day 美國獨立日(7月4日)
e.g. their independence was a sham.[ʃæm] 欺騙
independent [,indi'pendənt] adj. 獨立自主的，不依賴...的
be independent of... 與...無關，不依賴...
an independent country 獨立國
e.g. she is so independent that she refused all pecuniary金錢上 aid.
index ['indeks] n.1 索引2(p1.)指數(shù)，3標志(sign, symbol)，指標 v 把---編進索引
index of crime [美]罪案指數(shù)
index finger 食指
e.g.the book is not well indexed.