the math problem is ___ __ ___difficult 这个数学题有点难
问题描述:
the math problem is ___ __ ___difficult 这个数学题有点难
答
the math problem is a little bit difficult 这个数学题有点难
the math problem is ___ __ ___difficult 这个数学题有点难
the math problem is a little bit difficult 这个数学题有点难