Transanhydrisation
酐交换作用
🗣️ 情景例句
Are there any parties going on tonight?
今晚有聚会吗？
To know everything is to know nothing.
事事皆知，事事不懂。
He waved desperately to his companion, who had been water skiing for the last fifteen minutes.
他绝望地向他的伙伴挥手，他的伙伴在过去的15分钟里一直在滑水。