Desmodur
聚氨基甲酸酯类粘结剂
🗣️ 情景例句
I'm off today.
我今天休假。
She seldom eats breakfase.
她很少吃早餐。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远