disappearance of sea sand海沙: sea sand流失: run off; be washed away; flo ...沙流: [地质学] sand drift流失: run off; be washed away; flow away; wastage 防止水土流失 prevent loss of water and soil erosion; 流失河 lost river风沙流: sand flow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:海沙流失，即可在微信中查询翻译
