hái / zi / men / dì / yī / cì / zài / gōng / yuán / lǐ / tǐ / yàn / bēng / chuáng / wán / de / tè / bié / kāi / xīn孩子们第一次在公园里体验绷床,玩得特别开心。The children tried a trampoline at the park for the first time and had a wonderful time.