optic(al) sign
查询英语单词中文释义、音标、发音和例句。
optic(al) sign
英
[optic(al) sign]
美
[optic(al) sign]
中文释义
[矿物] 光性符号
单词分析
单词结构:
optic(al) sign
字母数:14
记忆提示
🎯 重点记忆:
- 单词拼写:optic(al) sign
- 核心含义:[矿物] 光性符号
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更新时间:2026-09-21 13:30:40