四边安全对话 （英語： Quadrilateral Security Dialogue，縮寫為 QSD 或简称 Quad）是 美国 、 日本 、 印度 和 澳大利亚 之间的战略对话，强调对“ 自由开放的印度-太平洋 的共同目標和實現”。

Nov 20, 2025 · The Quad is an informal security grouping consisting of four member states—Australia, India, Japan, and the United States.

Quad为英语单词，主要作名词，发音为英 [kwɒd]/美 [kwɑːd]。 核心含义包括“四方院子”（同quadrangle）、“四胞胎之一”（quadruplet的非正式说法）。

quad noun [C] (SQUARE) (formal quadrangle) a square space outside with buildings on all four sides, especially in a school or college （尤指中小學或大學中周圍有建築物的）四方院，四方場地

爱词霸权威在线词典,为您提供quad的中文意思,quad的用法讲解,quad的读音,quad的同义词,quad的反义词,quad的例句等英语服务。

Quads are four children who are born to the same mother at the same time. Quad is an abbreviation for 'quadruplet'. ...a 34-year-old mother of quads. 2. 可数名词 A quad is an open square area with …

Jan 30, 2023 · In addition to Malabar, Quad countries are increasing bilateral, trilateral, and multilateral exercises with one another that may accelerate the building of integrated capabilities.

四方安全对话（The Quadrilateral Security Dialogue，QUAD），是由美国、日本、印度、澳大利亚四国组成的非正式战略对话机制，又称“四国联盟”或“四国机制”。

The Quad was supposed to establish an "Asian Arc of Democracy", envisioned to ultimately include countries in Central Asia, Mongolia, the Korean Peninsula, and other countries in Southeast Asia: …

(also quadrangle, us / ˈkwɑdˌræŋ·ɡəl /) Add to word list a square or rectangular outside area with buildings on all four sides, often part of the land of a college or university (quad在劍橋學術詞典中的 …