surfing
n.冲浪(运动)
represent
v.代表;表示;象征;
goal
n.球门;射门;
basis
n.基础;根据
equipment
n.装备;设备;用具
content
n.满意;满足;内容;
to one's heart's content
尽情地;心满意足地
plastic
adj.塑料制的;塑料的;
factor
n.因素;要素
defend
v.(在比赛中)防守;防卫;保卫;