物质: matter; substance; material 短语和例子可裂变物质 fissionable material; nuclear materials; 物质以三种形态存在: 固态、 液态和气态。 matter exists in three states: solid, liquid and gas.; 物质不灭定律 the law of conservation
Example Sentences:
1.
But the discovery in january of backbone material in the shipment of meat led officials to renew the ban . experts say spinal cords may spread bse 但一月对装运肉类的主要物质检查让官方继续恢复禁令。专家指出脊椎可能引爆疯牛症蔓延。
