Metallocyanide
氰化金属
🗣️ 情景例句
How come you look so tired?
你怎么看起来这么疲倦？
Mr. Tony Smith is from The City College of New York.
托尼.史密斯先生来自纽约城市大学。
Do we have to wear the helmets?
我们得戴上防护帽吗？