Tetramethyldiaminobenzophenone
四甲二胺二苯甲酮
🗣️ 情景例句
I've been in China to work on the new project.
我一直在中国搞一个新项目。
I will try.
我会试试看。
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。