基本解释adj.防雨的同根派生 英汉例句"Enclosures are door-in-door, NEMa Type 3R, raintight, weatherproof, 14 gauge welded steel, primed and painted. " 外壳是双层结构,NEMa类型3R,防雨,耐气候变化,14级焊接钢,表面整洁,并经过涂漆。