P-p-tetramethyldiaminodiphenylmethane
[医] 对对四甲基二氨基二苯甲烷
🗣️ 情景例句
Hey, leaving me?
嗨 ，丢下我啦？
He's been everywhere.
他到处都去过了。
2 Two friends meet at school on the first day of term.2
两个朋友于新学期的第一天在学校见面。