新设计不幸地重现了早期模型的一些问题。

The new design unfortunately ___reproduced some of the problems of the earlier model.

我们无法重现我们早期研究的结果。

We were unable to ___reproduce the results of our earlier research.

我通过听录音并尝试模仿母语者的声音和重音来克服这个。

I overcame this by listening to tapes and by trying to ___reproduce the native speaker's sounds and stresses.