She raised her hand to shield her eyes against the sun.她抬起手遮住阳光保护眼睛。Dark pigment in the skin provides an effective shield against the sun.皮肤中的黑色素能够有效地阻挡阳光。She was hatted against the sun.她戴着帽子遮阳。Silhouetted against the sun stood the figure of a man.阳光映衬出一名男子的轮廓。