Polytetramethylene sebacate
[化] 聚癸二酸亚丁基酯
🧩 词语组成解析
n. [化]癸二酸盐(或酯)
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
My cell phone's out of batteries.
我手机没电了。
What is the price difference?
价钱差多少？