natural sand天然: natural; native; living砂: sand; grit低粘天然砂: meager sand低黏天然砂: meager sand天然砂料: quarry run sand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:天然砂,即可在微信中查询翻译