gěi / hái / zi / shǐ / yòng / xué / bù / chē / shí / jiā / zhǎng / yào / zhù / yì / dì / miàn / shì / fǒu / píng / zhěng给孩子使用学步车时,家长要注意地面是否平整。When a child uses a baby walker, parents should make sure the floor is even.