ice-rafted boulder筏冰: rafting ice漂砾: boulder; erratic block漂砾: boulder; erratic block◇漂砾带 [地质学] boulder belt冰漂流: ice drift冰漂石: ice boulder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:筏冰漂砾，即可在微信中查询翻译
