音标发音英式音标 [ˈdaʊn.spaʊt]美式音标 [ˈdaʊn.spaʊt]英式发音 美式发音 基本解释n.落水管同根派生 英汉例句用作名词 (n.)An eave trough used to convey rainwater from the roof to the downspout.用于传输屋顶的雨水到落水管檐沟。英英字典剑桥英英字典 a pipe that carries rain water from the roof of a building