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
Speaking of mother and of father
谈到孩子的爸， 孩子的妈，
There is safety in numbers.
人多势众。
From this the captain was able to piece together all the information that had come to light.
据此，船长可以将所有的那些已经搞清的材料拼凑起来。