noun 下载 🔗分享 落水管,排水管。 The drainpipe that connects a roof-line gutter with the ground. Examples : "After the heavy rain, water gushed down the downpipes, carrying the rainwater away from the house's foundation. " 暴雨过后,雨水从落水管倾泻而下,把雨水从房屋地基处排走。 architecture building utility property 与AI对话词汇游戏阅读练习