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
We'll find the owner.
我们会找到狗的主人的。
He is a promising young man.
他是个有出息的年轻人。[分词作定语]
The man took heart and, sure enough, on New Years' Eve he was able to hobble along to a party.
果然，除夕时他可以一瘸一拐地去参加晚会了。