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
I'm out of a job at the moment.
现在我失业了。
You can never tell.
不知道。
He turned to the police officer.
他转过身对警官说