emission frequency
基本释义
发射频率
实用场景例句
学术讨论
Students must have access to reliable sources for research.
学生进行研究必须能够获取可靠来源。
日常对话
I have a meeting at 10 a.m. tomorrow.
我明天上午10点有一个会议。
社会场景
The community has programs to help the homeless.
社区有项目帮助无家可归者。
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