primary standard sam
查询英语单词中文释义、音标、发音和例句。
primary standard sample
英
[primary standard sample]
美
[primary standard sample]
中文释义
一级标样
单词分析
单词结构:
primary standard sample
字母数:23
记忆提示
🎯 重点记忆:
- 单词拼写:primary standard sample
- 核心含义:一级标样
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更新时间:2026-08-29 02:17:14