Acetals
缩醛
🗣️ 情景例句
I have a customer for your first wedding dress.
我已经有了 的第一套结婚礼服的顾客。
Would you please clarify your question?
请你把你的问题说清楚好吗？
On this occasion, however, it had slowed down considerably.
然而这一次它的速度慢多了。