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
Fine!
好！
Do you want me to check the tires?
要检查轮胎吗？
The hospital had been bombed and Hans had made his way back into Western Germany on foot.
医院遭到轰炸，汉斯步行回到了西德。