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's planning a get-together
他计划办一个聚会
My grandfather got married in 1921.
我的祖父在1921年结婚。
Take a seat please, make yourself at home.
请坐，随便一点。