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portlandians
portlandians
英
[portlandians]
美
[portlandians]
中文释义
n. [地质] 波特兰阶(等于Portlandian stage)
单词分析
单词结构:
portlandians
字母数:12
记忆提示
🎯 重点记忆:
单词拼写:portlandians
核心含义:n. [地质] 波特兰阶(等于Portlandian stage)
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更新时间:2026-01-07 00:49:48