Caffic acid
[机] 咖啡酸
🧩 词语组成解析
🗣️ 情景例句
Merry Christmas, Carl and David!
卡尔，大卫，圣诞快乐！
The student has made tremendous progress.
这个学生进步非常快。
which we may call respectively the tough and the gentle.
我们分别称之为强硬法和温柔法。