I stared out the window, watching as kids on bicycles and skateboards whizzed by.我从窗口望出去，看着骑自行车和溜滑板的小孩们飞驰而过。He skateboards to school every day.他每天滑着滑板去上学。The kids were there with their BMX bikes and skateboards doing tricks.孩子们在那里用小轮自行车和滑板表演绝活。Kids were throwing stunts/tricks on skateboards at the park.孩子们在公园玩花样滑板。