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
You're just wasting your breath.
你在白费口舌。
She hesitated about what to do next.
他对下一步干什么拿不定主意。
The other model's more expensive, but it's worth the money.
那种型号价格是贵一些，但它值得那么多钱。