/ˈfed.ɚ.əl/
a federal country or system is one in which individual states make their own laws, but a national government is responsible for areas such as defence and foreign policy 联邦的；联邦制的
a federal republic 联邦共和国
(within a federal system, for example the US and Canada) connected with national government rather than the local government of an individual state （在美国、加拿大等联邦制下）联邦政府的
a federal law联邦法
state and federal income taxes州政府和联邦政府征收的所得税