straight line step sequence直线: straight line steep; sharp接续: continue; follow步: pace; steps形接续步: serpentine step sequence; serpentine stsequence圆形接续步: circular step sequence下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:直线接续步，即可在微信中查询翻译
