Tolane
n. [化]二苯乙炔
🗣️ 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。
Will it take me long to get there?
到那里要花很长的时间吗？
How long did it take you to accomplish this complicated job?
你花了多久才作完这复杂的活儿？