天火字典

英英字典： face-harden

face-harden

(TTS Sound)

KK Pronunciation

〔 `fєsˏhɑrdәn 〕

Pronunciation

〔 ˋfєishɑ:dn 〕

Overview of verb face-harden

The verb face-harden has 1 sense

face-harden -- (harden steel by adding carbon)

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