Metacolizing
铸铁表面渗铝法
🗣️ 情景例句
He spoke in a German accent.
他说话带有德国腔调。
When the lights went out, I was washing my hair.
当熄灯的时候，我在洗头。
It's very kind of you to help me.
你帮助我真是太好了。