1.atmosphere n.大氣(the whole mass of air surrounding the earth)；氣氛(a surrounding influence or environment)

詞根記憶：atmo(大氣)+sphere(球體)--圍繞地球的空氣--大氣

例:Scientists are discussing ways to remove excess carbon dioxide from the atmosphere by increasing the amount that is absorbed by plant life.

派生詞:atmospheric(a.大氣的，大氣層的)

2.attain v.達到，完成(to achieve)；獲得(to gain)

詞根記憶：at+tain（拿住）--穩穩拿住--獲得

例:Many European breeds of cattle attain average milk production levels exceeding 2,700 liters.

派生詞:attainment(n.成就;到達)

3.attempt n.企圖，嘗試(the act or an instance of attempting);v.試圖，嘗試(to make an effort to do, accomplish, solve)

詞根記憶：at（加強）+tempt(嘗試)--嘗試，試圖

例:Firms will begin to cross national borders in an attempt to gain a competitive advantage.

同根詞：temptation(n.引誘；誘惑物)

4.attendance n.出席，到場（the act or faiof anendi ng）；出席人數(the persons or number of persons attending)

詞根記憶：來自attend(v.出席;照科)

例:Total attendance at Moviemania's movie theaters was more than 20 percent higher last year than the year before.

同根詞：attendant(n.服務員;a.伴隨的)

5.attendee n.出席者，在場者(a person who is present on a given occasion or at a given place)

詞根記憶：來自attend(v.參加，出席)

例:attendee party與會者晚會

同根詞：attendant(n.服務員：a.伴隨的)

6.attorney n.律師（lawyer）

詞根記憶：at+torn（轉）+ey--扭轉乾坤的人--律師

例:white-collar professionals such as attorneys

同根詞：tornado(n.龍卷風)

7.attraction n．吸引，吸引力(the act, process, or power of attracting)

詞根記憶：來自attract(v.吸引)

例:It is the recognizable increase in sales that is their main attraction to management.

同根詞：distraction(n.注意力分散)

8.attributable a．可歸于的(capable of being attributed)

詞根記憶：來自attribute(n．屬性，特質;v.歸屬)

例:Such improvements would be attriibutable primarily to companies' facing global competitive pressure.

同根詞：distribute(v.分配;散布)

9.attribute n.屬性，品質（quality）;v.把…歸于(to ascribe)

詞根記憶：at+tribute(給，獻)--給予，獻給--歸于

例:In part, this stress can be attributed to the overlords' failure to adjust to a rapidly expanding economy.

派生詞:attributable(a.可歸于…的)

10.attrition n.磨損(the act of wearing or grinding down by friction);人員耗損(a reduction in numbers usually as aresutt of resignation, retirement, or death)

詞根記憶：at+trit(磨擦)+ion--磨損

例:The labor agreement permits staff reductions through attrition.

同根詞：contrition(n.悔恨)