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 can learn something
我能学到一些东西。
He likes playing the flute.
他喜欢吹长笛。
Its origin is still a mystery now.
它的起源至今仍是个谜。