Polypentamethylene sebacamide
[化] 聚亚戊基癸二酰胺
🗣️ 情景例句
I'm just not sure about what I want to do.
我不知道该读什么？
That's just what I'm looking for.
这就是我要的。
If a shop assistant told him she had not heard of it, he would pretend to be considerably put out.
要是女售货员告诉他从未听说过这些东西，他会装出十分遗憾和不安的样子。