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
And take measures to reinforce them. Please set your mind at rest.
并采取措施加固。请放心好了。
What's so weird about that?
那有什么好奇怪的？
We'll have to talk it over some more.
这个我们还得再谈一谈。