Desmodur
聚氨基甲酸酯类粘结剂
🗣️ 情景例句
I want to keep the after-school programs--
我要保存这些课外活动--
Have you washed any dishes?
你洗碗碟吗？
So it is! Lily, did you hear what I said?
是呀！莉莉，你听见我的话了吗？