Xylidinic acid
[化] 甲基苯二甲酸
🧩 词语组成解析
🗣️ 情景例句
That's true.
确实是这样。
My wife and I still remember the first day we arrived in Beijing.
我太太和我仍然记得到北京的第一天。
I'm calling about mistake on our last invoice.
我打电话来，是因为上回的发票有错。