餐布要放在腿上,如果要擦嘴巴,就这样,拿起来擦一下,然后再放回去。
cānbù yào fàng zài tuǐ shàng ,rúguǒ yào cā zuǐbā ,jiù zhèyàng ,ná qǐlái cā yīxià ,ránhòu zài fàng huíqu 。
You should put your napkin on your lap. If you need to wipe your mouth, you just pick up your napkin like this, wipe your mouth, then put it back.