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
Mrs. Martinelli.
Martinelli太太。
He has gone to America.
他去美国了。[动作结束后的结果持续至今]
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。