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
Eleven o'clock, approve the sketches for the toy spaceship.
十一点钟， 批示玩具太空船的草图。
This kind of box is not suitable for the transport of the tea sets by sea.
这种箱子不适合装茶具海运。
Though they extol the virtues of the peaceful life, only one of hem has ever gone to live in the country and he was back in town within six months.
尽管他们都交口称赞宁静的乡村生活的种种优点，但其中只有一个人真去农村住过，而且不足6个月就回来了。