Ureas
尿素塑料(類)
??? 情景例句
Don't worry, Gemma.
別擔心 Gemma。
What's your brother planning to do tomorrow?
你的兄弟計劃明天做什么？
It's nothing serious. I think you've been very fortunate. Have you ever used the hot-cloth-and-frozen-peas treatment?
不要緊。我認為你非常幸運了。你用過熱布---凍豌豆療法嗎？