| 释义 | aus·tral I. \ˈȯstrəl\ adjective
 Etymology: Middle English, from Latin australis, from austr-, auster + -alis -al
 1.  : southern
 < sailing the austral seas >
 2. usually capitalized  : of, relating to, or being a biogeographic zone extending across No. America between the transition and tropical zones
 3. usually capitalized  : australian
 II. noun
 (-s)
 Usage: usually capitalized
 : the language of the Australian islands
 III. \ȯˈsträl\ noun
 (plural aus·tral·es \-ˈsträlās\ ; also aus·trals)
 Etymology: Spanish, from austral, adjective, southern, from Latin australis — more at austral
 : the basic monetary unit of Argentina 1985-91
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