I spend for half hour的意思|示意

Our class ends at five o'clock. Generally, I spend half an hour in taking part in sport activities. It's good for my health.

我们五点下课，我常常在花半个小时的时间参加体育活动，这有益于我的健康。

I usually get up early and spend half an hour in reading English aloud. Then I use half an hour to go over the old lessons and prepare for the new lessons, too.

我通常早起，花半个小时大声朗读英语，然后再用半个小时去复习旧课和预习新课。