fras
查询英语单词中文释义、音标、发音和例句。
fras
英
[fras]
美
[fras]
中文释义
(fra 的复数) abbr. 联邦铁路局(Federal Railroad Administration);联邦储备法(Federal Reserve Act);流量警报记录器(Flow Alarm Recorder);自由基型(Free Radical Type)
单词分析
单词结构:
fras
字母数:4
记忆提示
🎯 重点记忆:
- 单词拼写:fras
- 核心含义:(fra 的复数) abbr. 联邦铁路局(Federal Railroad Administration);联邦储备法(Federal Reserve Act);流量警报记录器(Flow Alarm Recorder);自由基型(Free Radical Type)
- 相关含义:联邦储备法(Federal Reserve Act)、流量警报记录器(Flow Alarm Recorder)、自由基型(Free Radical Type)
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更新时间:2026-09-21 09:24:29