Diphenic acid
[化] 2,2'-联苯甲酸
🧩 词语组成解析
🗣️ 情景例句
Let's put some of this stuff away and then take off.
让我们把部份东西拿出来， 然后就走啦。
How old?
多老？
That is why we are learning English in China.
这就是我们在中国学习英语的原因。