He specialises in the mechanics of locomotion.他专攻运动力学。By land, air or sea, birds are masters of locomotion.无论是通过陆地, 飞越空中还是穿过海洋, 鸟应算是运动能手了.Locomotion had at times seemed impossible.有些时候简直象是寸步难行了....
Some of these dualities involve statistical - mechanical systems akin to those that M ü ller and his colleagues studied.这些二元性有部份牵涉到的统计力学系统,与缪勒和同事研究的对象相近.She painted flowers and birds pictures akin to those of earlier fem...