A thin layer of dust covered everything.
所有的物品上都积了薄薄的一层灰尘。
Teeth have a hard surface layer called enamel.
牙齿有一层叫做釉质的坚硬表层。
I could see a thick layer of dust on the stairs.
我能看见楼梯上厚厚的一层灰尘。
Everything was covered with a thick layer of dust.
所有的东西都覆盖着厚厚的一层灰尘。
The top layer of skin has to be grafted onto the burns.
表层皮肤必须移植到烧伤处。
The ozone layer screens out dangerous rays from the sun.
臭氧层能遮挡住来自太阳的有害射线。
It is widely known that CFCs can damage the ozone layer.
众所周知氯氟烃会破坏臭氧层。
The paintings were concealed beneath a thick layer of plaster.
那些画被隐藏在厚厚的灰泥层下面。
This treatment involves scrubbing off the top layer of dead skin.
这种治疗需要把死皮的表层除去。
The ozone layer shields the earth from the sun's ultraviolet rays.
臭氧层保护地球不受太阳紫外线的辐射。
They will press for international action to safeguard the ozone layer.
他们将竭力要求国际行动来保护臭氧层。
The baby whale develops a thick layer of blubber to protect it from the cold sea.
幼鲸长出一层厚脂肪以抵御冰冷的海水。
Ozone forms a protective layer between 12 and 30 miles above the Earth's surface.
臭氧在距地球表面12至30英里的地方形成一个保护层。
This layer of water reduces friction.
这层水减少了摩擦。
Beneath the soil lies a layer of bedrock.
土壤下面有一层基岩。
A thin layer of ice formed over the lake.
湖面上凝结了一层薄冰。
This seam of coal reposes on a layer of clay.
这个煤层处于一层黏土岩之上。
They found a unique layer of sediment worldwide.
他们在世界各地发现了一层独特的沉积物。
A liquid layer forms at the base of the glacier.
在冰川的底部形成了一层液体。
After the wind, there was a layer of dust on the desk.
大风过后，桌上落了一层灰。
The top layer should now point down to the layer beneath.
顶部图层应当指向下面的图层。
Space probes show a body covered with a thick layer of ice.
太空探测器显示了一个覆盖着一层厚厚的冰的物体。
In winter, the ground would be carpeted with a thick layer of snow.
冬天，地面上铺满了一层厚厚的雪。
He wrapped one layer of the plastic around the card and tried again.
他在卡片上裹了一层塑料，然后又试了一次。
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