Interfolding
交插褶皱
🗣️ 情景例句
All right. We'll make close study about it and give you reply as soon as possible.
很好。对这个问题我们将仔细研究一下，尽快给你们答复。
Do you have some stamps?
你有邮票吗？
This is a good photograph.Who are these people?
这是一张很好的照片。这些人是谁。