Polymethylene derivatives
[建] 聚甲烯衍生物
🧩 词语组成解析
n. [化]聚亚甲基
派生物
🗣️ 情景例句
to keep working on my fashion designs.
继续我的服装设计工作。
I'm certain he will be able to find the right place.
我肯定他会找到正确地点。
He thought they needed to know the direction to it.
它们还需要知道去那里的方向。