未经培训的 meaning in English

untrained

This equipment should on no condition be used by untrained staff
这种设备绝不能让未经培训的人员使用。
The study to be published in the online edition of the journal brain on wednesday showed that after one year of musical training children performed better in a memory test than those who did not take music classes
研究显示，在记忆测试中，经过一年音乐培训的孩子比未经培训的孩子表现突出。研究将刊登在周三动脑杂志在线版。
The study , to be published in the online edition of the journal brain on wednesday , showed that after one year of musical training , children performed better in a memory test than those who did not take music classes
研究显示，在记忆测试中，经过一年音乐培训的孩子比未经培训的孩子表现突出。研究将刊登在周三动脑杂志在线版。