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
The village was filled with people--the weather was so nice.
镇上挤满了人--因为天气好的缘故。
I'm numb.
我已经麻木了。
All the other girls are Chinese.
其余的女孩是中国人。