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
Are there any other amenities which you would like to have? For example, a dishwasher, a balcony, a swimming pool or central air conditioning?
你要求有什么设施呢？例如，洗碗机、阳台、泳池或者空调？
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
I'm getting a new computer for birthday present.
我得到一台电脑作生日礼物。