We'll buy the new computer system as soon as we have the approval of the directors.只要获得董事们的批准，我们马上就购买新电脑系统。

approximate v.接近，近似 adj.大约的,估时的

Your latest design approximates much more closely what I understood the building would be like.你最新的设计与我想象+这栋建筑的样子非常 接近。
 

The approximate time that the train will arrive at its destination is 8:00 a.m. tomorrow.火车抵达目的地的大体时间是明天上午八点。

arbitrary adj.专横的，专制的；武断的

The manager consistently rewarded his sales team in an arbitrary manner, causing offense to the top performers of other departments, who received no pay for extra work.那位经理总是以随意的方式奖励销售闭队，这引起了其他部门优秀员工的不满，因为他们的额外工作并没有得到回报。

architect n.建筑师

The architect has won awards for his designs.那位建筑师的设计荣获了设计奖项。

argue v.争论，辩论

"Don’t argue with me!" Janet warned her boyfriend.“别跟我争吵！”珍妮特警告她的男朋友。

arise vi.出现，发生；起因于

If something unexpected arises at the office, I will be home late.如果公司有意外情况发生，我就得晚点回家。

arouse vt.刺激，激起；唤醒 vi.醒来

His refusal to walk through the metal detector before boarding the plane the guard’s suspicion.他在登机之前拒绝通过金属探测器，这引起了安保人员的怀疑。

artificial adj.人造的，人工的

The soldier who lost a leg in a battle now has an artificial limb.争中失去了一条腿的士兵，现在安上了假肢。

ashamed adj.惭愧的，羞耻的

Aren’t you ashamed to tell such big lies?你撒了这么大的谎，难道就不感到羞愧吗？

assemble vt.集合装配

The children used the toy blocks to assemble a play castle.孩子们用玩具积木搭建了一座玩具城堡。

When the fire alarm rang we assembled outside the emergency exit.火警警报报一响，我们就到紧急出口集合。