把你的手放在膝盖上。

Put your hands on the knees.

youdao

而是把它放在膝盖上，用来保护你的衣服不被食物溅脏，或者需要时用来擦手或嘴。

Put in on your lap where it's supposed to protect your clothes from spilled food or used to wipe your hands or mouth when necessary.

youdao

而是把它放在膝盖上，用来保护你的衣服不被食物溅脏，或者需要时用来擦手或嘴。

Put in on your lap where it's supposed to protect your clothes from spilled food or used to wipe your hands or mouth when necessary.

youdao