倒数第二行用英语怎么说

the last line but one

The second line from the last, 因为排行不一定从上到下, 可以左到右, 所以bottom不一定对.

the second last line

都不准确 应该是
the senond line from the bottom of X(如,first 或者third) paragraph. 这样就不会模糊了! 呵呵

the senond line from the bottom我们老师讲课就这么说的

the second to last