音字母开头,但却是元音音素开始,前面需要加不定冠词时,用an而不用a。如:anhonestboy,anMP4player,an80metrehightower等。abandon/bndn/vt.1.抛弃;舍弃:Hehadtoabandonthebrokencarandwalkhome.他不得不扔下损坏的车步行回家。2.放弃;中止:Heabandonedallhope.他放弃了一切希望。☆☆ability/bIltI/n.[C,U]能力;才能:Shehasagreatmusicalability.她很有音乐天分。搭配theabilitytodosth做某事的能力联想inability(无能力)disability(伤残)☆☆able/eIbl/adj.能干的;有才能的:Hisuncleisanablelawyer.他的叔叔是一位能干的律师。用法beabletodosth有能力做某事:Isheabletoworkouttheproblem?他能解答这道题?联想enable(v.使能够„„)ably(adv.)unable(反)abnormal/bnml/adj.不正常的;反常的;变态的:Itisabnormalforamantosingatmidnight.深更半夜唱歌真有点变态。联想normal(反)☆aboard/bd/prep.在(船、飞机、火车、公共汽车等)上面:Areallthestudentsaboardtheschoolbus?是不是所有的学生都上了校车?abolish/blI/vt.取消;废除;废止:Badcustomsshouldbeabolished.不好的风俗应当废除。abortion/bn/n.[C,U]人工流产;堕胎:haveanabortion做人工流产☆☆about1/bat/prep.