Sigma test
[医] 西格马试验, Σ试验(检梅毒的絮凝反应)
🧩 词语组成解析
[计] 求和\\n[医] σ(希腊文第十八个字母)
🗣️ 情景例句
Nobody. That's the problem.
没有人。这就是问题所在。
Fall sick and you will see who is your friend and who is not.
困难见友情。
adopted by banks, of printing the customer's name on his cheques.
某些银行已采用把储户姓名印在支票上的作法。