单词 acron 释义 ▪ I. acron, n. Zool.|krn|[a. F. acron (coined by C. Janet 1899, in Mm. de la Soc. Zool. de France XII. 295), f. Gr. ἄ extremity.]The unsegmented region at the anterior end of the body of an arthropod; spec. the prostomial region of an a...