After only a short exposure to sunlight he began to turn red.他在阳光下只晒了一会儿,皮肤就开始变红了。
I threatened them with public exposure.我扬言要公开揭发他们。
The company feared exposure of its faults.公司害怕揭露它的毛病。
An exposure of one-hundredth of a second will be enough.曝光百分之一秒就够了。

exposure, aspect, frontage
参见aspect条。