Sigma
[计] 求和\\n[医] σ(希腊文第十八个字母)
🗣️ 情景例句
and how important it is for them to be paid attention to?
以及他们何等需要受人关怀吧？
I asked him to clean it for me, but he wouldn't.
我请他帮我清理，但是他不肯。
Most funny stories are based on comic situations.
大部分令人发笑的故事都是根据喜剧情节编写的。