Kelling's test
[医] 凯林氏试验(检胃癌、胃乳酸、食管憩室)
🧩 词语组成解析
🗣️ 情景例句
Thank you for your great service.
感谢你周到的服务。
How many pieces are you going to take?
你要拿几支？
Mr. Green doesn't climb down the chimney. He waits until the children are asleep.
格林先生不从烟囱上爬下来，他等候孩子们都睡熟。