Koler reaction
[医] 科勒氏反应, 阿当凯维奇氏试验(检蛋白质)
🧩 词语组成解析
🗣️ 情景例句
Is that all?
就这些吗？
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
As complaints must be made in writing, the Ombudsman receives an average of 1,200 letters a year.
由于意见均需用书面形式提出，司法特派员每年平均收到1，200封信。