in half an hour的意思是什么?

in half an hour的意思是什么? half hour =half an hour half hour half an hour 的意思有和区别? spends half an hour的意思 half an hour的意思是什么 half an hour的意思是什么? 是half hour还是half an hour? half an hour? 什么意思? in half an hour's time什么意思 They talked for half an hour.请问 for half an hour是talked的状语吗? a half hour ,half an hour都是半小时的意思吗?　　　一个半小时是什么? About half an hour ago.中文意思是? an hour and a half’s talk 的意思 The train_____ (arrive) in half an hour she -------(be)back in half an hour in half an hour怎么提问 after half an hour什么意思? half an hour ago 什么意思? he runs for half an hour every morning 对划线部分提问画线的是 for half an hour