例句與造句

1. During the first years of this school, Zerda published about coca and opium use in Bogot?( " Estudios sobre la Coca y el Opio bogotano " ), drinking water analysis ( " An醠isis de las aguas potables de Bogot?" ) and oils ( " M閠odo para blanquear y purificar los aceites grasos " ).
2. It's difficult to find drinking water analysis in a sentence. 用drinking water analysis造句挺難的