movable carriage活动: move about; exercise滑: slippery; smooth架: frame; rack; shelf; stand活动滑车: fall block; movable block; scrab活动滑画: fall block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:活动滑架，即可在微信中查询翻译
