低空跳伞

BASE Jumping

low / beneath / to lower (one's head) / to let droop / to hang down / to incline

low altitude

empty / air / sky / in vain

to empty / vacant / unoccupied / space / leisure / free time

to jump / to hop / to skip over / to bounce / to palpitate

to parachute / to bail out / parachute jumping

umbrella / parasol / CL:把[ba3]

damask silk / variant of 傘|伞[san3]