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
He made up his mind to give up smoking.
他下决心戒烟。
He has a dish of jam.
他有一碟火腿。
Mum, I don't feel very well.
妈妈，我感到不舒服。