alliance
/əˈlaɪəns/noun
1- a union or association formed for mutual benefit, especially between countries or organizations（尤指国家或组织之间的）联盟, 联合：
a defensive alliance between Australia and New Zealand
澳新军事防御联盟
divisions within the alliance.
联盟中的分歧。
1.1
- a relationship based on an affinity in interests, nature, or qualities（以利益、本性或品质为基础的）联系, 结合：
an alliance between medicine and morality.
医药与道德的结合。
1.2
- mass noun a state of being joined or associated联系：
his party is in alliance with the Greens.
他的党派与格林家族紧密关联。
1.3
Alliance
used in names of political parties formed by the combination or association of separate parties联盟（用于政党合并或结盟后的名称中）。
1.4
- Ecology a group of closely related plant associations【生态】群落属。
词源
Middle English: from Old French aliance, from alier 'to ally' （see ALLY1）.