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
You can be, too.
你也能做到。
He took two weeks off in August.
他在八月份休假两星期。
He prepared the speech carefully and went to the wedding with Jenny.
他认真准备了讲稿，带着珍妮一道去参加了婚礼。