Hss
abbr. high-speed steel 高速钢
🗣️ 情景例句
What is your career objective?
你的事业目标是什么？
I'm too slow.
我太慢。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。