alternative
alternative/ɔ:lˈtə:nətiv/ I.adj.两者择一的，供选择的：alternative courses供选择的两条道路；alternative questions选择问句Is there a viable alternative to prison?除入狱外还有无其···
although
although/ɔ:lˈðəu/conj.虽然(引导让步状语从句，用法同though)：Although it was cold, he didn’t light the fire.天气虽冷，他并未生火。They are generous although they are poor.他们虽···
altitude
altitude/ˈæltitju:d/n.［c］1.高度(尤指海拔)：fly at an altitude of 10,000 foot在10,000英尺的高空飞行；rise to an altitude of…上升到…高度；mountain altitude山的高度2.高处，海拔甚···
altogether
altogether/ˌɔ:ltəˈɡeðə/adv.1.全部，总共：Altogether there were ten of us.我们总共有10个人。2.完全地：I don’t altogether agree to your suggestion.我不完全赞成你的建议。I am ···
aluminium/aluminum
aluminium/aluminum/ˌæljuˈminjəm,əˈlu:minəm/n.［u］铝(符号Al): aluminium oxide氧化铝; aluminium alloy铝合金；aluminium pot铝锅
always
always/ˈɔ:lweiz,ˈɔ:lwəz/adv.1.总是，一直：The sun always rises in the east.太阳总是从东方升起。You’re always thinking of others.你一直想着别人。2.永远：We’ll always keep thi···
amass
amass/əˈｍæs/vt.收集，集聚（尤其财富）：She has amassed a huge fortune from her novels.通过写小说她集聚了很多财富。Some of his colleagues envy the enormous wealth that he has am···
amateur
amateur/ˈæmətə,ˈæmətʃuə/ I.n.［c］(艺术、体育、科学等的)业余爱好者：a radio amateur无线电业余爱好者；an amateur in table tennis乒乓球业余爱好者‖II.adj.1.业余(爱好)的(［反···
amaze/amazement/amazing
amaze/əˈmeiz/vt.使大为吃惊，使惊愕(surprise very much)：be amazed at his conduct对于他的行为感到惊愕Your letter has amazed me.你的信使我大吃一惊。I was totally amazed by the bril···
ambassador
ambassador/æmˈbæsədə/n.［c］大使，(派驻国际组织的)代表：the Chinese Ambassador to France中国驻法国大使；ambassador-at-large巡回大使，无任所大使；appoint (recall) an ambassador···
