P-p-tetramethyldiaminodiphenylmethane
[医] 对对四甲基二氨基二苯甲烷
🗣️ 情景例句
I keep thinking about that bag of film. Eight rolls.
我一直在想着旅行袋的事。一共有八卷呢。
Sometimes the snow was so deep we could tunnel through it.
偶尔雪会积到可以造隧道那般的深度。
Yes?What's the letter.
怎么了？怎么回事？