1.The underside of the rock was covered with seaweed.
岩石下面布满了海草。
2.the sordid underside of the glamorous 1980s.
辉煌20世纪80年代不光彩一面。
3.They painted the underside of their planes with a black varnish.
他们飞部涂上了一层黑漆。
4.These songs underside,all that my favourite,which were selected from my computer 。slow but not pausal,classical but not popular. closing your eye and feel like just a music tour.