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注意力集中于...

concentration on的音標：concentration on的英式發(fā)音音標為：[?k?ns?n'trei??n ?n]concentration on的美式發(fā)音音標為：[?kɑns?n'tre??n ɑn]...

The Greek concentration on geometry blurred the vision of later generations.希臘人之專注于幾何迷糊了后世好幾代人的視界.He made his way along with his eyes fixed in utmost concentration on the ground.他全神貫注地死盯著地面,艱難地探路而行.The effects of triacet...