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
If negotiaton fails, then what?
万一谈判破裂，怎么办？
It's hard to say.
难说。
I'm afraid I have some rather bad news for you.
我恐怕有些很坏的消息要告诉你。