méi / yǒu / dì / xīn / xī / lì / dì / qiú / shàng / de / rén / hé / wù / tǐ / jiù / huì / piāo / qǐ / lái

没有地心吸力，地球上的人和物体就会飘起来。

Without gravity, people and objects on Earth would float away.