Diaminodiphenyl
二氨基联苯
🗣️ 情景例句
What channel?
哪个频道？
Don't worry, you only ripped the seam.
别担心，只弄破了线缝而已。
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。