boulder channel漂砾: boulder; erratic block河: river漂砾河槽: boulder channel砾河: boulder stream漂砾: boulder; erratic block◇漂砾带 [地质学] boulder belt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:漂砾河，即可在微信中查询翻译
