一层

• The earthen pot is glazed inside .
  瓦罐里面挂了一层釉子。
• I require more deep relationship .
  我要求更深一层的友谊。
• The windows are covered with steam .
  窗上蒙上了一层水汽。
• The surface of the sun is a glowing gas envelope .
  太阳的表面是一层炽热的气体层。
• The sky over the city was overspread with a heavy smog .
  城市上空罩上了一层烟雾。
• The outside is covered with thick water-proof felt .
  外面蒙着一层厚厚的防水毛毡。
• The central zone is sputtered with a reflecting coating .
  中央区涂复了一层反射膜。
• The inside is lined with bricks .
  里面衬有一层耐火砖。
• Each cardiac cell is surrounded by a plasmamembrane .
  每一心肌细胞都包有一层浆膜。
• Snow lies thick on the fields .
  田野里铺着厚厚一层雪。