3.aer, aero, aeri=air 琛ㄧず绌烘埃, 鍏呮埃绛�

銆€銆€aerate 閫氭埃锛涘厖姘ｏ紙aer+ate琛ㄥ嫊瑭烇級

銆€銆€aerial 绌烘埃鐨勶紙aeri+al琛ㄥ舰瀹硅锛�

銆€銆€aeriform 鐒″舰鐨�, 闈炲楂旂殑锛坅eri+form褰㈢媭→绌烘埃鐨勫舰鐙€→鐒″舰鐨勶級

銆€銆€aeromechanics 鑸┖鍔涘锛坅ero+mechanics姗熸瀛革級

銆€銆€aerology 姘ｈ薄瀛�, 澶ф埃瀛革紙aero+ology瀛哥→绌烘埃瀛�→澶ф埃瀛革級

銆€銆€aerospace锛堝ぇ姘ｅ堡鍏у锛夌┖闁擄紙aero+space绌洪枔锛�

銆€銆€aerosphere 澶ф埃灞わ紙aero+sphere鐞冨舰→鐞冨舰绌烘埃→澶ф埃灞わ級

銆€銆€aeroview 槌ョ灠鍦栵紙aero+view鐪�→鍦ㄧ┖姘ｄ腑鐪�→槌ョ灠锛�

銆€銆€4.ag=do, act 琛ㄧず鍋�, 浠ｇ悊鍋�

銆€銆€agenda 璀颁簨鏃ョ▼锛坅g+enda琛ㄧず寰╂暩(sh霉)→鍋氱殑浜嬫儏→璀扮▼锛�

銆€銆€agile 闈堟椿鐨�, 鏁忔嵎鐨勶紙ag+ile鑳�…鐨�→鑳藉仛鐨�→闈堟椿鐨勶級

銆€銆€agitate 榧撳嫊锛涙敧鍕曪紙ag+itate琛ㄥ嫊浣�→鍙嶅京浣�→榧撳嫊锛�

銆€銆€agitation 榧撳嫊, 鐓藉嫊锛坅gitate+ion锛�

銆€銆€agitator 榧撳嫊鑰咃紙agitate+or浜�→榧撳嫊鐨勪汉锛�

銆€銆€agitating 浣夸汉涓嶅畨鐨勶紙agitate+ing锛�

銆€銆€agent 浣滅敤鍥犵礌锛涗唬鐞嗕汉锛坅g+ent琛ㄤ汉鎴栫墿→鍋氱殑浜�→浠ｇ悊浜猴級

銆€銆€agency 浠ｇ悊铏曪紙ag+ency琛ㄧず姗熸鎴栫媭鎱�(t脿i)→浠ｇ悊姗熸锛�

銆€銆€coagent 鍚堜綔鑰咃紙co鍏卞悓锛媋gent→鍏卞悓鍋氱殑浜猴級

銆€銆€counteragent 鍙嶄綔鐢ㄥ姂锛涘弽鎶楀姏锛坈ounter+agent浣滅敤鍥犵礌→鍙嶄綔鐢�→鍙嶆姉鍔涳級

銆€銆€reagent 鍙嶆噳鍔�锛涜│鍔戯紙re鍐�+agent浣滅敤→鍐嶆浣滅敤→鍙嶆噳, 寮曠敵鐐哄寲瀛歌│鍔戯級

銆€銆€chron=time 琛ㄧず鏅傞枔

銆€銆€chroic 闀锋湡鐨�

銆€銆€chronicle 绶ㄥ勾鍙诧紙chron+icle琛ㄥ悕瑭烇級

銆€銆€chronology 骞翠唬瀛�锛涘勾琛�

銆€銆€chronograph 绮惧瘑瑷堟檪鍣�

銆€銆€anachronism 骞翠唬閷

銆€銆€synchronize 鍚屾檪鐧�(f膩)鐢燂紙syn鍏卞悓锛媍hron+ize→鏅傞枔鐩稿悓→鍚屾檪鐧�(f膩)鐢燂級

銆€銆€synchronous 鍚屾湡鐨�锛涘悓姝ョ殑

銆€銆€cid, cis=cut, kill 琛ㄧず鍒囬枊, 娈�

銆€銆€decide 姹哄畾, 姹哄績锛坉e鍔犲挤锛媍ide鍒�→鍒囦笅鍘�→涓嬫焙蹇冿級

銆€銆€homicide 娈轰汉锛坔omi浜猴紜cide锛�

銆€銆€insecticide 娈鸿煵鍔戯紙insect鏄嗚煵锛媍ide锛�

銆€銆€suicide 鑷锛坰ui鑷繁锛媍ide锛�

銆€銆€pesticide 娈鸿煵鍔戯紙pest瀹宠煵锛媍ide锛�

銆€銆€circumcise 琛屽壊绂�, 鍓插寘鐨�

銆€銆€concise 绨℃槑鐨�

銆€銆€decision 姹哄績, 姹鸿锛坉ecide鐨勫悕瑭烇級

銆€銆€excise 鍓插幓, 鍒幓锛坋x鍑猴紜cise锛�

銆€銆€excision 鍒櫎, 婊呯禃锛坋xcise+ion锛�

銆€銆€incisive 涓€閲濊琛€鐨�, 閵冲埄鐨勶紙incise+ive→鍒囦汉鐨�→涓€閲濊琛€鐨勶級

銆€銆€incisor 闁€鐗欙紙incise+or→鍒囨澅瑗跨殑鏉辫タ→闁€鐗欙級

銆€銆€precise 绮剧⒑鐨�, 娓呮鐨勶紙pre闋愬厛锛媍ise→闋愬厛鍒囧ソ→绮剧⒑鐨勶級

銆€銆€precision 绮惧瘑, 姝ｇ⒑