Sigma
[計] 求和\\n[醫] σ(希臘文第十八個字母)
??? 情景例句
He's upset over the fact that he wasn't promoted this year.
他對今年沒有升遷感到惱怒。
Silence in times of suffering is the best.
遭到不幸時，沈默是上策。
That's right. We will take 10 pigs, 10 sheep and sixty chickens. The chickens can eat the food that we would otherwise throw away. They will provide us with eggs and meat.
沒錯。我們要帶上10頭豬、10只羊還有60只雞。雞吃我們的剩飯剩菜。它們為我們提供蛋和肉。