Graphitic acid
[机] 石墨酸
🧩 词语组成解析
a. 石墨的
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
All things must come to an end.
天下无不散的筵席。
What colour?
什么颜色？