face-harden
face-harden漢語(yǔ)翻譯
face-harden詞型變化
face-harden英語(yǔ)解釋
動(dòng)詞 face-harden:
- harden steel by adding carbon
face-harden詳細(xì)解釋
face-hard.en
v.tr.(及物動(dòng)詞)face-.hard.ened,face-.hard.en.ing,face-.hard.ens To harden the surface of (a metal).使(金屬的)表面硬化