It seemed that Canada was once more falling in step with the trend toward smaller families that occurred through all the western world since the time of the Industrial Revolution什么意思了,

It seemed that Canada was once more falling in step with the trend toward smaller families that occurred through all the western world since the time of the Industrial Revolution什么意思了,
It seemed that Canada was once more falling in step with the trend toward smaller families that occurred through all the western world since the time of the Industrial Revolution什么意思了,

It seemed that Canada was once more falling in step with the trend toward smaller families that occurred through all the western world since the time of the Industrial Revolution什么意思了,
看起来加拿大陷入了这种家庭变得越来越小的趋势的地步中,这种趋势自从工业革命以来在全西方世界都发生了.
that Canada was once more falling in step with the trend toward smaller families that occurred through all the western world这是that引导的宾语从句,充当seemd的宾语.with the trend toward smaller families介词短语对step的补充说明,
that occurred through all the western world意思是在全西方世界都发生的,做定语修饰前面的step,
since the time of the Industrial Revolution是时间状语,意思是自从工业革命以来.