介词
over the past five decades
在过去的五年中
双语对照
例句:
1.
Over the past five decades, we've moved through a series of eras ofcomputing.
过去半个世纪里，我们已经历了一系列的计算时代。
2.
The secret of wal-mart's meteoric rise over the past five decades has beenits obsession with low prices.
沃尔玛过去50年的飞速崛起，秘诀就在于一直采用低价策略。
3.
Yet the dispensation that has guided the kingdom for the past five decadeshas weakened.
但过去50年来引导这个王国的天命已经削弱
