Hhv
abbr. high-heating value 高熱值
??? 情景例句
We're in the phone book.
我們家的電話號碼 可以在電話簿上查到。
He that has a tongue in his head may find his way anywhere.
遇事多問，隨處可行。
In the library she has got books on many different subjects.
在圖書館里她準備了各種科目的書籍。