Polyurethane-urea
[化] 聚氨酯-脲
🧩 词语组成解析
n. 聚氨酯\\n[化] 聚氨基甲酸酯; 聚氨酯
urea
[['juəriə]]
n. 尿素\\n[化] 脲; 尿素
🗣️ 情景例句
I have a book with photos of some homes in that area.
我有一本那个地区房子的照片。
Without practice, hopes will be reduced to zero.
没有实践，希望会化为乌有。
Over a year passed before the first attempt was made.
然而一年多过去了才有人出来尝试。