Polynonamethylene succinate
[化] 聚丁二酸亚壬基酯
🧩 词语组成解析
n. [化]琥珀酸盐(或酯)
🗣️ 情景例句
Is your wife ill?
是你太太病了吗？
Where are you calling from?
你从哪打来的？
When are you leaving?
你什么时候离开？