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
Then you retired.
然后你退休了。
If it hadn't been for your help, we would never have finished it.
如果没有你的帮助，我们永远完不成任务。
What can I do?
我能怎么办？