Hf
[医] 铃(72号元素)
📖 牛津释义
HF
abbr
缩写 = (radio 无) high frequency. Cf 参看 LF.
🗣️ 情景例句
You don't need to do that.
你不用那么做的。
Have you heard the weather forecast?
你听天气预报了吗？
and yet get hardly any benefit or relief.
而没有从中得到什么实益或宽慰。