The size of your pores is determined by the amount of oil they produce.
毛孔的大小取决于毛孔分泌油脂的多少。
We spent hours poring over travel brochures.
我们花了几个小时仔细研究旅游宣传册。
This addition of a chemically precipitated substance into pore spaces is termed "permineralization".
这种化学沉淀物质进入孔隙的过程被称为“完全矿化”。