Nonadecanoic acid
[化] 十九酸; 十九烷酸
🧩 词语组成解析
🗣️ 情景例句
Aren't you hungry, Harry?
你不饿吗， Harry？
I learned geography last week.
我上星期学地理。
It has long been known that the hunting scenes depicted on walls were not simply a form of artistic expression.
大家早就知道，画在墙上的狩猎图景并不是单纯的艺术表现形式，