adj.有阶梯的；梯形的
动词step的过去式和过去分词形式.
They stepped out of the sun into the coolness. 他们到阴凉处躲避烈日。
He felt a sharp prick when he stepped on a upturned nail. 他一脚踩在一枚尖头朝上的钉子上，感到一阵剧痛。
The driver blew his horn when the child stepped in front of the car. 当小男孩走到汽车前面时，汽车司机按响了喇叭。
He stepped on a sharp thorn. 他踩到一根尖刺。
Stepped out ten feet and then put a mark in the ground. 量出10英尺; 然后在地上做个记号。
A step made in walking; a stride. 一步行走时跨出的一步; 一大步
The band struck up as soon as the President stepped ashore. 总统一踏上岸，乐队便开始演奏起来。
adj.加速的；加强的
v.超过（正常或容许的范围）；〈法〉违犯
v.向旁侧避让；回避
