The house has been added to (ie New rooms, etc have been built on to it) from time to time. 這所房子不時進行擴建。
A new gymnasium has been built on our campus. 我們大學的校園里新建了一座體育館。
This citadel is built on high ground for protecting the city. 這座城堡建于高處是為保護城市。
His company was built on the sand. 他的公司根基不穩固。
A municipal borough of northwest England north of Liverpool. Chartered in 1193, it was built on the site of a Roman frontier station. Population, 47,900. 蘭開斯特英格蘭西北部的一個自治領城市，位于利物浦北部。1193年獲得自治權，它建在羅馬邊境的要塞上。人口47,900。
He has very little experience of business, and the whole organization is built on sand. 他沒有什么經商的經驗，整個機構可以說是建立在不牢靠的基礎上。
The insurance company is built on trust. 保險公司以信任為基礎。
The local council listened to objections by a pressure group who want the new by-pass to be built on the other side of the town, not along the route proposed by the planners. 地方議會接受了壓力集團提出的反對意見，他們想把那條新的旁路開在鎮的那一頭，而不是開在根據規劃者提出的那條路線上。
