n.桨；橹；划手
v.划行
In dragon boat rowing each person has one oar. 划龙舟时每个人都拿着一枝桨。
A rowing or paddling stroke in which the oar or paddle is pushed forward,used to check a boat's forward motion or move it backward. 倒浆，把橹或桨向前推以阻止船向前运动或向后移动的一种划船或摇桨方式。
