Hss
abbr. high-speed steel 高速鋼
??? 情景例句
Excuse me? What did you say?
對不起，你說什么？
What month is this?
現(xiàn)在是幾月？
But I advise you to check your bag every evening before going home.
但是，我勸你每晚回家前檢查下自己的包。