K-density
[计] k稠密性
🧩 词语组成解析
🗣️ 情景例句
and he really liked my concept.
而且他真的喜欢我的想法。
Every salesman boasts of his own wares.
老王卖瓜，自卖自夸。
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。