Pseudohecogenin
[化] 假核柯配基
🗣️ 情景例句
Yes, but I don't know where to start.
是的 ，但我不知道从何说起。
Do you ever learn Chinese during the holidays?
你曾经在假日期间学中文吗？
Can I ask you what it's about?
请问你有什么事儿？