词根 Word Roots
arcsour,sharp酸的,尖锐的拉丁文 acere=be sour,acidus=sour;acer/acris=sharp,acuere=sharpenacrid 辛辣的;acrimonious辛辣的;尖刻的;
acusour,sharp酸的,尖锐的拉丁文 acere=be sour,acidus=sour;acer/acris=sharp,acuere=sharpenacuity 尖锐=acu(sharp)-ity(n),acu-men敏锐的判断力;acu-te敏锐的;
actact,drive行动;驱使拉丁文agere=do,drive,过去分词是actus; 变形:igTrans-act-ion;act;action;actionable;activate;active;activity;actual;actuality;actually;en-act-ment法令;ex-act需要;react;transact处理
agact,drive行动;驱使拉丁文agere=do,drive,过去分词是actus; 变形:igagency;agent;ag-ile(adj);ag-il-ity(n);amb(about)-ig(drive)-uous(adj)含糊不清的。
acrohigh,extreme高的;高端的希腊文 akros=extreme;topmostacrobat;特技表演者;acrogen顶生植物gen:produce;acronym=acro-nym(name)首字母缩写,acro-polis(city)卫城-城堡