a half an hour

a half an hour 基本解释

半个小时

a half an hour 用法和例句

1、About a half an hour before she was getting ready to head out for dinner, there was a knock at Ellies door.

在晚饭前大概半个小时的时候, 有人敲响了艾莉的房门。

2、I tried to pour a spoonful of liquid down his throat, and he choked and gurgled on that spoonful for almost a half an hour.

我试图勺一匙液体冲下他喉咙, 但这使他呛咳了约半个小时。

重点词汇

half adj. 一半的，半个的 n. 半；一半；（啤酒等饮料的）半品脱；（比赛、音乐会等的）半场 adv. 一半；部份地

hour n. 小时，钟头；时间，时刻；固定时间；课时