Decarbidizing
脱炭沉积
🗣️ 情景例句
I'm very glad to meet you.
很高兴认识你。
If there's anything else I can do , please tell me.
如果有任何事情我能效劳的话，请告诉我。
The mobile phone is as popular as the beeper nowadays.
现在手机和寻呼机一样普及。