Sigma electrons
[化] σ电子
🧩 词语组成解析
[计] 求和\\n[医] σ(希腊文第十八个字母)
n. 电子( electron的复数形式 )
🗣️ 情景例句
It's Malcolm Stewart!
他是Malcolm Stewart。
I've made a reservation at the hotel you used last time.
我已预订了你上次住过的旅馆。
It's on the edge of the lake that has been made by the Dam.
这座庙座落在由高坝形成的湖边上。