试行: to try out, to test...
撤销: to repeal, to revoke, (computing) to undo...
地下水: groundwater...
桥梁: bridge (and fig.)...
蘸: to dip in (ink, sauce etc)...
太极拳: shadowboxing or Taiji, T'aichi or T'aichichuan, traditional form of physical exercise or relaxation, a martial art...
肥皂: soap...
全世界: worldwide, entire world...
赫然: with astonishment, with a shock, awe-inspiringly, impressively, furiously (angry)...
阅览室: reading room...