Tetrafunctional
a. [化]四功能化合物的
🗣️ 情景例句
Malcolm, please.
请叫我Malcolm吧。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
Roy acted quickly and drove the bus straight at the thieves.
罗伊行动迅速，开车直冲窃贼而去。