Cyclopal
环戊烯丙烯基巴比土酸
🗣️ 情景例句
I'm sorry I missed him. I had to work late.
很抱歉我错过了他醒着的时候。我必须工作到很晚。
He was absent yesterday. Do you know why?
昨天他没到，你知道为什么吗？
I know.You must help me do the cooking this afternoon.
我知道。今天下午你得帮帮厨。