Desmodur
聚氨基甲酸酯类粘结剂
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
I went bowling last night.
我昨晚在打保龄球。
What are your discount terms?
你们的折扣条件如何？