Sigmas
n. 希腊字母表的第十八字母（∑, σ）( sigma的名词复数 )
🗣️ 情景例句
How is your score in English?
你的英语成绩是多少？
Time past never returns, amoment lost, lost for ever.
过去的时间决不返回，浪费一点，永远消失。
Though Mrs.Busssman fully acquainted with this story, she thought that there was a chance in a million that she might be right.
尽管巴斯曼夫人熟知这个情况，但她仍然认为自己的想法仍有百万分之一的可能性。