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 love mashed potatoes, and also boiled, baked, scalloped or fried.
我很喜欢吃土豆泥，还有煮土豆、烤土豆和炸土豆我都喜欢。
Through thick and thin, they have always been my precious team mates, advisers, and above all, friends.
我们同甘共苦，亲如伙伴，他们是我的军师，更是我的朋友。
Good news?Why?
好消息？为什么？