Our two subfamilies converged just once a year, after Christmas, midway at my grandfather's house. 我们两家一年中只在圣诞节后在位于两家中间的我爷爷家相聚一次。
The project is a rather comprehensive sewerage system comprising reconstruction of five old intercepting pump houses, intercepting sewer, inverted siphon tunnel cross Huangpu River, and midway lifting pump house. 工程涉及到五座旧泵站的截流改建、截流管、过黄浦江倒虹管、中途提升泵站的设计,是一项内容较为全面的污水系统工程。