Smacking
来自Big Physics
mid 16th century (in the sense ‘part (one's lips) noisily’): from Middle Dutch smacken, of imitative origin; compare with German schmatzen ‘eat or kiss noisily’.
mid 16th century (in the sense ‘part (one's lips) noisily’): from Middle Dutch smacken, of imitative origin; compare with German schmatzen ‘eat or kiss noisily’.