alacticWiktionary 原文构词拆分a-前缀(no longer productive) Forming verbs with the sense away, up, on, out. · (no longer productive) Forming verbs with the sense of intensified action.+lactic词根/词干词源说明From a- + lactic.释义（英文）形容词 Adjective(sports) of a short-duration anaerobic activity that does not produce lactic acid