Diolefin
n. [化]二烯
🗣️ 情景例句
Are these the terms that we agreed on?
这些是我们同意的条件吗？
A thousand probabilities do not make one truth.
一千个“或有”不能造成一个事实。
He devoted his life to the study of science.
他把毕生献给科学研究。