“字形”的拼音？

他们看见15名警察骑着摩托车排成V字形前行。They saw a squadron of fifteen motorcycle policemen driving in V-formation.他们打着象征胜利的V字形手势。They were waving V-signs for victory.道路呈U字形蜿蜒曲折。The roads twist round hairpin bends....

“字形”的英语可以翻译为：character pattern，font，font style，grapheme，graphemic ...