Diketene
双烯酮
🗣️ 情景例句
Beijing exit 500m.
北京出口前面 500 米。
More worship the rising than the setting sun.
人都向旭日膜拜，不向夕阳顶礼。
When they arrived, he said: Welcome to our factory! Please come this way. Don't rush.
“欢迎参观我们厂！请走这边。别急。”