一(个),每一(个) I work eight hours a day
我一天工作八小时
A square has four sides
正方形有四条边
He is a teacher
abandonvt
丢弃,放弃,抛弃I was obliged to abandon that idea
我不得不放弃那个想法
He abandoned his wife
他遗弃了他的妻子
abilityn
能力,能耐,本领He has the ability to do his job well
他有力干好他的工作
An employer should appraise the ability of his employees
雇主应当可以鉴定员工的能力
Birds have the inborn ability to fly
鸟生来就会飞
有能力的,杰出的I shall be able to go tomorrow
He is an able man
他是一种能干的人
aboardad
在船(车)上,上船Jack has gone aboard the plane
杰克已上飞机了
aboutprep
有关,在…周围Tell me something about your trip
说说你旅游的状况吧
Something unusual is about to happen
某种不寻常的事即将发生
aboveprep
在…上面,高于Above all , I love Mark Twain
首先,我喜欢马克吐温
Our plane is flying above the clouds
我们的飞机在云层上飞行
abroadad
(在)国外,到处He is determined to go abroad to pursue his further