今天,我去看望奶奶,在她家的阳台上发现了一块奇怪的木板。它约有一尺来长,是长方形的,一端有一个半圆形扶把,木板上有一道道的波纹。我好奇地问奶奶:“这是什么?”奶奶告诉我说:“这是一块洗衣板。洗衣服的时候,一只手握着扶把,一只手拿着衣服在那一道道的波纹上来来回回地搓 Today, I went to visit my grandmother and found a weird wooden board on the balcony of her home. It is about a foot long, rectangular, with a semicircular handle at one end and ripples on the board. I asked my grandmother curiously: “What is this?” Grandma told me: "This is a washboard.When washing clothes, one hand holding the handle, one hand holding the clothes in that channel of ripples up Rubbing back and forth