Tetramethylethylenediamine
四甲基乙二胺
🗣️ 情景例句
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
All things must come to an end.
天下无不散的筵席。
You have my word.
我保证。