Access access7 n.①接近，进入，接近的方法②通道，入口 经典例句In other parts of Asia, Hong Kong residents use “Octopus” smart cards to access trains, buses, and ferries or pay for merchandise or parking.在亚洲其他地区，香港居民使用Octopus智能卡来乘坐火车、汽车、轮船，购物或缴停车费。 记忆方法派生词：accessible可达到的，可进入的；accession(权利，地位的)获得
词根记忆ac(接近)+cess（行走）走近
Accommodation
accommodation2 n.①住处，膳宿②(车、船、飞机等的)预定铺位
经典例句We have to find accommodation.我们不得不寻找住处。
记忆方法同根词：accommodatev.提供食宿
词根记忆～=ac(to)+com(together)+mod(manner)+ation→住处
commodity1 n. 商品，日用品
经典例句I lead a very busy life,so spare time is a very precious commodity to me.我的生活非常忙，空余时间对我来说是非常珍贵的。 词根记忆commod（方便）+ity (表名词）商品
Accumulate
accumulate7 vt.积累，积蓄 vi.累积，聚积
经典例句As the stock of foreign currency accumulate, speculation on an appreciation rises, making it ever more costly to hold the currency down.随着外币资产累积，对升值的预期也将提高，甚至会导致压低货币汇率的成本提高。
记忆方法派生词：accumulation n.积累，累积；accumulative adj.累积的
词根记忆ac(一再)+cumul(堆积）+ate堆积起来accumulate(积累)
cumulative3adj.累积的，渐增的
Accurate
accurate6 adj.准确的，精确的
经典例句The only thing more accurate than incoming enemy fire is incoming friendly fire.唯一比敌人火力还精确的是友军打过来的炮火。（误射） 记忆方法同根词：accuracy n.精确，准确；accurately adv.精确地，准确地
词根记忆ac（一再）+ cur（关心）+ ate 一再关心，弄精确为止
accuracy n.准确，精确(度)
经典例句It is impossible to say with any (degree of) accuracy how many are affected.
无论如何也说不准受影响的有多少。
Acquaintance acquaintance n.①认识，了解②熟人，相识
经典例句Have but few friends though many acquaintances. 朋友要少，熟人要多。
词汇辨析acquaintance,friend,associate:
acquaintance 相识但不很熟悉的人；
