Polythiourea
聚硫脲
🗣️ 情景例句
Could you arrange a taxi for me, please?
能为我安排辆出租车吗？
What month is this?
现在是几月？
I have been offered a large sum of money to go away, but I am determined to stay here.
他们曾向我提供一大笔钱让我搬走，但我决定留在这儿。