Desmodur
聚氨基甲酸酯类粘结剂
🗣️ 情景例句
But I do need some publicity
但我需要一些宣传，
How much do you know about the works of Henry Wadsworth Longfellow?
你对亨利·朗费罗的工作知道多少？
I've never been there.Have you ever been there, Ken?
我从未去过。肯，你去过吗？