Tetrafunctional
a. [化]四功能化合物的
??? 情景例句
How's Donald?
Donald怎么樣？
Think with the wise, but talk with the vulgar.
同智者一起考慮，與俗人一起交談。
Do you think our manager is going to have a new factory built?
你認為咱們經理會打算建造一家新工廠嗎？