To pass threads through the layers of(a quilt, mattress, or upholstery), securing the thread ends with a knot or button.是什么意思_To pass threads through the layers of(a quilt, mattress, or upholstery), securing the thread ends with a knot or button.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句