Bis(p-dimethylaminobenzylidene)benzidine
[化] 双(对二甲氨基亚苄基)联苯胺
🗣️ 情景例句
After forty-eight hours.
四十八小时后。
If the pills were pleasant, they would not be gilded.
丸药不苦不会加糖衣。
Is Bill in, Sam?
萨姆，比尔在家吗？