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词根词缀:acuto-, acut-, acuti-, acu-, -cusis; also, agu-

【来源及含义】Latin: sharp, to sharpen, point; needle, pin

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; aceto-; acid-; acies- (not "sour"); oxy-; pung- (not "sour").

【同源单词】acicula, acicular, acicular ice, aciculate, aciculate, aciculiform

词根词缀:-al, -ial, -eal

【来源及含义】Latin: suffix; pertaining to, like, of the kind of, relating to, characterized by, belonging to; action of, process of

【同源单词】abacterial, abdominal, abdominal adhesion, abdominal aorta, abdominal aortic aneurysm, abdominal aortography

词根词缀:costo-, cost-, costi-

【来源及含义】Latin: rib, ribs; side; coast

【同源单词】accost, accosted, acuticostal, chondrocostal, coast, costa