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 been a pleasure to talk to you.
和你谈话是件很愉快的事。
Hope springs eternal (in the human breast).
希望会产生，永远无穷尽。
A woman got into the car and drove off.
一个女人钻进小车，飞驰而去。