Colbac
[荷]科尔巴克（以聚酯纤维为芯耐纶为皮的纺粘型非织造织物）
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
He is too lazy to move but luckily he has strong toes.
他虽然懒惰得不肯动，但是幸而有强壮的脚趾。
What did you write on it?
你在贺卡上写了什么？