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
Hold Gerald's hand, please. Great!
请握住Gerald的手。很好！
Beautiful day, isn't it?
今天天气真好，是不是？
Use the lab and prepare some plant food for young tomatoes.
用实验室为西红柿幼苗准备一些养分。