Benzvalene
[化] 盆苯
🗣️ 情景例句
You're right. How do you feel about it?
说对了。你觉得怎么样？
All things are difficult before they are easy.
凡事都是先难后易。
All the stories of families, heroes, wars and journeys are passed down from generation to generation.
所有家族、英雄、战争、旅行的情况都是世代口传的。