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'm in charge of the sales department.
我主管销售部。
A bad workman quarrels with his tools.
拙匠常怨工具差（人笨怨刀钝）。
When the archaeologists reconstructed the fragments, they were amazed to find that the goddess turned out to be a very modern-looking woman.
考古工作者把这些碎片重新拼装起来后，惊奇地发现那位女神原来是一位相貌十分摩登的女郎。