Substitutional impurity
[电] 置换杂质
🧩 词语组成解析
a. 代替的, 代用的, 取代的\\n[法] 替代的, 替换的
🗣️ 情景例句
David Ogvy is the first genius of modern advertising.
大卫.奥格维是现代广告的第一天才。
Modesty is not only and ornament, but also a guard to virtue.
谦逊不仅可增添光彩也可以维护美德。
What a lot of invitations to send out!
要寄出的请贴真多呀！