Sigma complex
[化] σ络合物
🧩 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
Saving them for today?
留着等今天？
To run away from his sister
从他姐姐那儿逃走
We'll stay here with you until help comes.
在有人来救援前，我们要留在这儿。