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
Merry Christmas, Carl and David!
卡尔，大卫，圣诞快乐！
The greatest fool is he who worries about what he cannot help.
操心无法可想的事是最大的傻瓜。
Oh, all right!
那么，好吧！