She grew more and more fascinated by the subject as time went on/by.

随着时间的推移，她对这个话题越来越着迷。

As time went on the trend continued.

随着时间的推移这种趋势也一直在延续。

As time went on, their hopes began to wane.

随着时间的消逝，他们的希望开始变得渺茫。

As time went on, he became more pessimistic.

随着时间的过去，他变得越来越悲观了。

As time went on, the surface of the highway roughened.

随着时间的推移, 公路的路面变得崎岖不平了.

RESULTS:The retention rates descended as time went on.

结果：两组的充填成功率随时间增长而下降；

As time went on, his intelligence rayed out more brightly.

随着时间的推移, 他的智慧之光愈加灿烂夺目.

As time went on, Sniff and Scurry continued their routine.

随着时间的推移, 嗅嗅和匆匆继续着他们一成不变的生活.

Mr Geithner's tone became less emollient as time went on.

盖特纳的语气也变得越来越不和缓。

But as time went on, she noticed changes in her son.

但是，时间长了，她注意到了儿子的变化。