Ureameter
尿素计
🗣️ 情景例句
Good-bye, Dean Rafer.
再见， Rafer主任。
What? Already? Won't you have more coffee?
怎么，已经要走了？要不要再喝点咖啡？
He speaks some Chinese, but not much.
他讲点汉语，但是不多。