1·Silicates such as mineral quartz drifted downward and mixed with denser materials as they reached Earth's core.
石英等硅酸盐向下漂移，在到达地核时与密度更大的物质混合。
2·Scratchy materials, including calcium carbonate and silicates, help remove food, bacteria, and some stains from your teeth.
一些稀有成分。包括碳酸钙和硅酸盐，能够帮助牙齿防止食物粘在上面，同时去除细菌和污垢。
3·All four outer planets probably have cores of metals, silicates and water.
这四颗外层行星的内核可能都是由金属、硅酸盐和水构成。
4·Did equilibration take place before or after setting of chromite and silicates?
究竟平衡作用发生在铬铁矿和硅酸盐下沉之前，还是在其后？
5·An orange-red to grayish yellow mixture of several uranium oxides, silicates, and salts occurring naturally in the oxidation and hydration of uraninite.
脂铅铀矿一种由桔红到黄灰色的多种铀氧化物、硅酸盐和盐的混和物，在铀矿物的自然。