K acid
[化] K酸
🧩 词语组成解析
🗣️ 情景例句
Oh, and, Robbie ...
噢 还有 Robbie……
When did you ener the school?
你什么时候入学的？
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。