“几何学”用英语怎么说？

“几何学”的拼音为：...

他的想法就是将几何学应用在力学上。His idea was to apply geometry to dynamics.那男孩煞费苦心地钻研几何学.The boy puzzled his way through geometry.严密为哲学而不为几何学所关心.Rigour is the concern of philosophy and not of geometry....