【Native Speaker每日综合训练—31系列】【31-02】科技

sherlock1992

Refresh. Thx, Yao~
----------------------------------------------------Orion---------------------------------------------------------------------------
Speaker:
brain-training games might temporily improve a specific brain function, they may not improve the overall intelligence of a brain.

Speed:
2'05''
1'50''
2'09''
1'55''
1'56''