Ortho-tolidine
[建] 联邻-甲苯氨
🧩 词语组成解析
原; 直
n. [化]联甲苯胺,二甲基二氨基联苯
🗣️ 情景例句
Seven letters ... two words ...
七个字母……两个字……
Bare words,no bargain.
空言不能成交易。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他们戴着墨镜，穿着旧衣裳，特别小心以防别人认出他们。