hf
abbr.half 半；hard firm 坚硬（铅笔芯）；hard finish(ed) 缓硬的；hard-faced 表面硬化的
网络解释.氢氟酸；高频；短波
双语例句
1. 1 . The biggest increase was on the cheapest model, the CRX-HF . That car had a 1990 base price of $9,145.
涨价最快的是最便宜的车型CRX-HF，那款车1990年的基价是9,145美元。
来自柯林斯例句