Sigma orbital
[化] σ轨道
🧩 词语组成解析
[计] 求和\\n[医] σ(希腊文第十八个字母)
orbital
['ɔ:bitl]
adj. 轨道的;眼窝的;
🗣️ 情景例句
And I do feel bad about your mother
而且我觉得很过意不去让你母亲
This food is out of this world.
这真是人间美味。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。