buoy rope浮动: float; drift; ripple; swim浮动索引: rd relocatable directory动索: moving rope; running rigging; running rope传动索: bull rope; driving rope; working rope活动索: running 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:浮动索,即可在微信中查询翻译