Sigma reaction
[医] 西格马反应, δ反应(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
I have room reserved.
我已订了房。
I would like to call the employment agency for a job.
我要打电话给职业介绍所代我找一份工作。
Thanks for you cooperation.
多谢合作。