Quadrivalency
n. 四价
🗣️ 情景例句
The rainy season lasted until July.
雨季一直持续到7月。
Gain got by a lie will burn one's fingers.
靠欺骗得来的利益会使自己受害。
Such administrative overheads in a business are analogous to the cost of government in a nation.
一家企业的这种行政管理开支类似于一个国家的政府管理所用的开支。