Monocarbide
一碳化物
🗣️ 情景例句
He was left in charge of the shop while the manager was away.
经理不在时他负责这个商店。
I'm thirsty. It's too hot and dry.
我口渴了。天气太热太干燥了。
He broke his words once again.
他又一次违背了诺言。