研究结果表明，在正常生理条件下，皮肤从空气中通过扩散输运所获取的氧仅限于表皮角化层，而不能到达表皮生发层。
Results from our model revealed that oxygen uptake by diffusion from the air, under normal conditions, was limited to the out most layer of the skin and did not penetrate beyond the germinal layer.
在用手摸了摸墙后，曾做过建筑工人的Demczur先生发现，墙壁是由数层一英尺厚的面板砌成，面板是由一种叫石膏灰胶纸夹板的人工合成隔板材料做成的。
After feeling the wall, Mr Demczur, a former builder, saw that it was made of layers of inch-thick panels of synthetic partition material known as sheetrock.
在用手摸了摸墙后，曾做过建筑工人的Demczur先生发现，墙壁是由数层一英尺厚的面板砌成，面板是由一种叫石膏灰胶纸夹板的人工合成隔板材料做成的。
After feeling the wall, Mr Demczur, a former builder, saw that it was made of layers of inch-thick panels of synthetic partition material known as sheetrock.
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