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
Fine!
好！
Long tarrying takes all the thanks away.
事情耽搁太久就没有人会感谢了。
She asked me to speak more loudly. The line was bad.
她告诉我要说大声一些。线路很糟。