Through thick and thin, they have always been my precious team mates, advisers, and above all, friends.
我们同甘共苦,亲如伙伴,他们是我的军师,更是我的朋友。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统,因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。