Ureometer
[医] 脲测定器, 尿素计
🗣️ 情景例句
Too long. Have a seat and I'll get you a cup of tea.
太久了。请坐，我来给你弄杯茶。
How's your uncle?
你的叔叔好吗？
'Why are you doing that?' Sally asked.
“你为什么要那样做呢？”萨莉问。