单词red-no--2
In 1976, the agency banned Red No. 2 because it was suspected to be carcinogenic. It was then replaced by Red No. 40.
1976年，管理局禁止了红色2号的使用因为怀疑它有致癌性，取代它的是红色40号。
There were three subway line, line 1 is red, no. 2 is green and line 3 is yellow.
地下铁共有3条路线，1号线是红色、2号线是绿色、3号线是黄色。