Fourot富罗
fournum.四
fourdimensionaladj.四维的
four-ball top四球角锥
four-storeyedadj.四层楼的
four 'should' s
four-unit code四元码
four-electroden.四电极
four side molder四面刨
four undesirabls四不得
Four linked bags四联袋
four dimensionaladj.四维的