Poly (ether-urethane)
[化] 聚醚氨酯
🧩 词语组成解析
n. 理工学院, 工艺高等专科学校\\n[化] 聚尿苷酸
🗣️ 情景例句
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
I've been working at a meat factory for about two months now.
大约两个月来，我一直在一家肉厂干活。