chocking line阻塞: choke; block; clog; stop; ob ...边界线: boundary line阻塞边界: chocking limit; choking limit边界线: border line; borderline; boundary line; boundaryline; contour; limit line疆界线, 边界线: boundary line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:阻塞边界线,即可在微信中查询翻译