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
The case was dismissed because of insufficient evidence.
该案因证据不足而撤消。
I meet the boy whose aunt is a saleslady.
我遇到那个男孩的姑妈是推销员。
certainly it is more difficult than the arts which involve appreciation of flat forms,
欣赏雕塑品当然比欣赏平面的艺术品要难。