Containerboard
n. 盒纸板,硬纸板
🗣️ 情景例句
Don't worry, be happy.
别担心，开心点。
He is attending a morning intensive course four hours a day, six days a week.
他每周六早晨都上一门4小时的速成课。
We hope you enjoyed the visit to the showroom.
希望你还喜欢我们的展示室