英语单词

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chiasma

英 [kaɪ'æzmə; kɪ-] 美

n. 交叉；视神经交叉

英文词源

chiasma (n.): "a crossing," 1832, medical Latin, from Greek khiasma "two things placed crosswise," which is related to khiasmos (see chiasmus). In cytology from 1911.