Sulfidation
[机] 硫化作用
🗣️ 情景例句
Hi, Grandpa.
嗨， 爷爷。
What's matter with you?
你有什么问题吗？
Gandhi won his first non-violent struggle against racial discrimination.
甘地赢得了第一次反种族歧视的非暴力斗争的胜利。