川底 meaning in English

kawasoko

Then he ordered all the smiths in the city to make a 300 - meter chain to keep the dragon under control
西安知府对此话深信不疑，即命全城铁匠赶制一条百余丈长的铁链，将蛟龙锁住，沉入川底。
He also ordered 5 , 000 craftsmen to build the tower at the site under which the dragon was chained
后又征用5000能工巧匠，在蛟龙被锁住的市中心夜以继日地赶修钟楼，以便将蛟龙牢牢地琐住压在川底，使它再无法兴妖作怪。