cartoon of a girl and boy playing with a ball fromwww.usda.gov/cnpp/KidsPyra/ National Agricultural Library, Agricultural Research Service, U. S. Department of Agriculture
打球
activity、boy、cartoon、child、girl、mhs、Perfect Art、play、play ball、Shiny Happy People、usda、Verbs
活動、男孩、動畫片、兒童、女孩、訊息處理系統、完美的藝術、玩、打球、閃亮的快樂的人、USDA、動詞
資料來源：openclipart ( https://openclipart.org/ )