alternate extended route更替: replace; supersedure; take t ...扩充: expand; augment; enlarge; ex ...路由: route交替扩充路径: alternate extended route扩充路由: extended route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:更替扩充路由,即可在微信中查询翻译