Walking on the moon is herder than on the earth.是什么意思?

Walking on the moon is herder than on the earth.是什么意思? Walking on the moon is ______(difficult) than walking on the Everything is _______(light) on the moon than on the earth the things on the moon are lighter than ______ on the earth The moon is bigger than the earth. Things are even ____(light) on the moon than on the earth. things are much l______ on the moon than on the earth Things are----on the moon----on the earth. sun is ()than earth .earth is () than moon.moon is the() The moon is ( ) to the earth than the sun . The moon is to the earth than the sun there is ___water than land on the Earth