ballstone翻譯，ballstone的意思，ballstone同義詞，ballstone的反義詞，ballstone短語詞匯

詞語：ballstone

ballstone的解釋

ballstone['bɔ:lstəun]n. 球石

ballstone的意思

ballstone 球石;

ballstone的參考例句

1.Quartz, zircon, magnetite, gold are major constituents of littoral placers in Shandong province, while shell, ballstone, ilmenite, rutile being secondary. 山東省濱海砂礦以石英、鋯英石、磁鐵礦、砂金等為主，其次為貝殼、球石、鈦鐵礦、金紅石等。