Hard surfacing
[化] 表面淬火
🧩 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;
n. 铺面, 铺面材料\\n[化] 表面处理; 表面准备; 表面堆焊
🗣️ 情景例句
on the community-center project.
为社区中心的事。
My watch is more expensive because it's a chronometer.
我的手表是精密型的，所以要比你的贵。
It was true that he had just bought a lamb, he explained, but his lamb was black.
不错，他的确刚买了一只羔羊，阿列科解释说，但他的羔羊是黑色的。