Laminboard
夹层芯板
🗣️ 情景例句
These are polite questions.
这些问题都是礼貌的。
I am very happy that you have come all the way from the United States to visit our company.
您不远千里从美国来我公司访问，我们感到非常高兴。
They misplaced this book under other categories.
他们把它错放到另一个类别去了。