pphm
查询英语单词中文释义、音标、发音和例句。
pphm
英
[pphm]
美
[pphm]
中文释义
abbr. parts per hundred million 亿分率(0.000001%)
单词分析
单词结构:
pphm
字母数:4
记忆提示
🎯 重点记忆:
- 单词拼写:pphm
- 核心含义:abbr. parts per hundred million 亿分率(0.000001%)
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更新时间:2026-08-27 16:22:40