Polycyclotrimerization
多环三聚(作用)
🗣️ 情景例句
Did the University of Michigan win another football game?
是不是Michigan大学又赢得了一场足球赛？
Yesterday was Sunday.
昨天是星期日。
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。