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
Thanks for the haircut, keep the change.
谢谢你给我剪头，不用找了。
I hope you can like the play.
我希望你能喜欢这喜剧。
There are also endless numbers of birds in the tar as well.
沥青坑里还有无数只鸟的尸体。