Levulinic
乙酰丙
🗣️ 情景例句
In any case, you should prepare for the worst.
无论如何你要做好最坏的打算。
Beyond this ocean lies the rich subcontinent of India.
海的那一边有富饶的印度次大陆。
An individual human existence should be like a river----
个人的存在应该像一条河流，