The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产,合同的规定也将得以严格履行。
By 1820 the population of New York had grown to about 125,000, making it the largest city in the USA.
到1820年,纽约市的人口增长到12。5万人左右,使它成了当时美国最大的城市。