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
Oh, Robbie!
哦 Robbie！
This product is doing very well in foreign countries.
这种产品在国外很畅销。
It was a great help to me.
真是获益良多