......越来越成为问题,用英文怎么说?

比如:空气污染越来越成为问题

或者 人口老龄化越来越成为社会的问题

空气污染越来越成为问题
air pollution is becoming increasingly problematic.

人口老龄化越来越成为社会的问题
An ageing population is becoming more and more of a problem for modern society.
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第1个回答  2009-06-04
The air pollution is becoming more of a question
第2个回答  2009-06-04
air polluting is becoming more than a problem.
第3个回答  2009-06-04
[A] becomes a problem of [B] more and more.
第4个回答  2009-06-04
XXX is more and more prblematic.

XXX=空气污染之类,即LZ的...