Sigma bond
[化] σ键
🧩 词语组成解析
[计] 求和\\n[医] σ(希腊文第十八个字母)
🗣️ 情景例句
Everything we're discussed seem to be here.
我们讨论过的每样事情似乎都在这里。
The writer has a unique style.
这个作家有独特的风格。
Such undertakings require the precise planning and foresight of military operations.
这种活动需要有军事行动般的周密布署和预见能力。