adj.室内的,户内的,在室内使用的,待在家里的,救济院内的
Earlier, it had been hoped to use the indoor track.
之前曾经希望能使用室内跑道。
If the weather is wet or cold choose an indoor activity.
如果碰上下雨天或是严寒天气,就选择一项室内活动。
an indoor swimming pool
室内游泳池