Polymethylene compound
[化] 聚亚甲基化合物
🧩 词语组成解析
n. [化]聚亚甲基
🗣️ 情景例句
I had a big breakfast, so I think I'll skip lunch today.
我吃了一顿丰盛的早餐，所以打算不吃午饭了。
I hope that will not cause you too much trouble.
我希望那不会给你添太多麻烦。
Both the police and the workmen were grateful to the student for this piece of advance information.
警察与工人都对那个学生事先通报情况表示感谢。