Monosulfide
一硫化物
🗣️ 情景例句
Hello. What can I do for you?
你好。我能为你做点什么吗？
I could not catch your question. Could you repeat it, please?
我没听清楚你们的问题，你能重复一次吗？
During the night, it got terribly cold.
夜里，天冷得厉害。