Ion.
英 美 ,aɪ 'o
中文n. 艾奥（希腊神话中宙斯的情人）；[天] 木卫一\nsymb. 元素锾的符号（ionium）
艾奥（希腊神话中宙斯的情人）；[天] 木卫一
symb. 元素锾的符号（ionium）
词根词源
Ioin Greek mythology, daughter of the river god Inachus, she was pursued by Zeus and consequently changed into a heifer. The Jovian moon was discovered in 1610 and named for her by Galileo.
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