Paradimethoxybenzene
对二甲氧基苯
🗣️ 情景例句
My wife and I are celebrating our fifth anniversary.
我太太和我要庆祝一下我们的结婚五周年。
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
'I told you yesterday and the day before yesterday,' he shouted,
“我昨天和前天都告诉过您了，”他大叫着，