Tetramethyldiaminobenzophenone
四甲二胺二苯甲酮
🗣️ 情景例句
Let's see. Oh, welcome home.
让我看看。噢， 欢迎回家来。
I went bowling last night.
我昨晚在打保龄球。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。