Nitrituria
[医] 亚硝酸盐尿
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
Business is business.
公事公办。
Please tell me how I can solve this problem.
请告诉我怎样才能解决这个问题。