Polyisocyanate
n. [化]聚亚安酯
🗣️ 情景例句
Our company has had a big business in Chinese arts and crafts.
我们公司经营大宗中国工艺品。
I was perfectly aware of this before we married.
结婚前我就完全意识到这个问题。
What are those?
那些是什么？