2.Steam in rice cooker or steamer for 20 minutes, remove and cool first, unwrap and cut into slices. Serve.
用电锅或蒸笼蒸20分钟，取出后放凉，再解开白布，切片上桌食用。
3.Unwrap a candy bar. Eat the wrapper and throw the chocolate away.
剥开糖果外包裹的糖纸，吃掉剥下的糖纸，丢掉糖果。
4.But if you unwrap that package you will see why I was upset at first.
如果你打开那包东西看看，你就会明白我起初为什么那么难过。
5.To reheat the tortillas, wrap in a foil and reheat in a preheated oven at 180℃ for approximately 20 minutes. Unwrap and cover with a cloth to keep warm.
墨西哥薄饼用锡纸包好放摄氏180度?h炉?h约20分钟至暖和，取出用布包裹保温。
6.To open(a parcel, for example); unwrap.
打开（例如包裹）；解开
7.For the sake of remove the displacement and zoom of iris image, iris image is transformed from Cartesian coordinates to polar coordinates and unwrap iris image into a rectangle in the size of 600x100. For improving the effect of iris recognition and reducing the influence of unsymmetrical illumination, the iris image is transformed by hisotgram eaqualization.
为了消除虹膜图像的平移、缩放问题，我们采用极坐标变换的方法把虹膜图像中的每个点一一映射到极坐标中去并且把归一化后的虹膜图像在极坐标系下展开成一个大小为640×100的矩形。 为了提高虹膜的识别效果，减少非均匀光照的影响，我们对虹膜图像进行了直方图均衡化。
