词根词缀：acetyl-

【来源及含义】Latin: derived from aceto- plus the suffix -yl; used in naming chemical radicals

【相关描述】Derived from or containing acetic acid in chemical nomenclature.

The words in this unit are directly related to the aceto- unit.

【同源单词】acetyl group, acetylase, acetylation, acetylcholine, acetylcysteine, acetyldigitoxin

词根词缀：trans-, tran-, tra-

【来源及含义】Latin: across, through, over, beyond, on the far side of; most often used as a prefix

【相关描述】Don't confuse the tra- in this element with another tra- in "drag" or "draw". Trans- becomes tra- before the consonants -d, -j, -l, -m, -n, and -v.

【同源单词】acetyltransferase, allogenic transformation, allotransplantation, Amphora transformed into, autocholecystotransversecolostomy, autologous transfusion