英语翻译是Roller slide吗?

英语翻译是Roller slide吗? business slide 英语翻译 roller coaster 是 roller coaster 可数吗?、 roller ROLLER slide slide 请问为什么用go down a big slide?slide是名词吗?用不用前面加个along? slide的意思是啥? 英语翻译than all the roller coasters roller-skate是词组吗?谢带连字符的是词组吗? 英语翻译teacup ,roller,coaster,bumper car,coach,roller coaster,ferris wheel. gift和slide发音相同吗? we enjoyed the roller coaster most of all是什么结构?这个most是怎么回事?most of all是定语吗? 英语翻译The rollercoasterPotential andkinetic energyObserving themotion of a roller coaster carMeasuring thespeed of the roller coaster car 英语翻译The rollercoasterPotential andkinetic energyObserving themotion of a roller coaster carMeasuring thespeed of the roller coaster car 英语翻译原话是：If surface seeding is practiced,a roller-packer to incorporate seeds and firm the seedbed after planting is recommended.这句话该怎么翻译呢?