Refractory hard metals
[机] 耐火硬金属
🧩 词语组成解析
hard
[hɑrd]
adj. 困难的;硬的;有力的;努力的;
adv. 努力地;猛力地;严重地;沉重地;
n. 英〉硬海滩，登陆处;
五金
🗣️ 情景例句
It's just one of those things.
这样的事情总是难免的。
They that (or who) live longest see most.
活得最长，见识最广。
His father told everybody that Eric had been killed in action.
他的父亲告诉大家，埃里克在战争中被打死了。