dǎoyī / shì / gǔdàifùnǚ / yòng / mùchǔ / zài / hébiān / chuídǎ / yīwù / de / xǐdífāngshì

捣衣是古代妇女用木杵在河边捶打衣物的洗涤方式。

Pounding clothes is an ancient way of washing in which women beat clothes with wooden sticks by the river.