Polynonamethylene azelaate
[化] 聚壬二酸亚壬基酯
🗣️ 情景例句
Remember my apple pie on Thanksgiving?
记得在感恩节我做的苹果派吗？
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
Did he telephone again?
他又打了没有？