对。in there与in here的用法差不多，意思指“在那儿里面”（尽管在具体翻译时不一定这样表达，但它的意思通常应这样理解）。如：Get back in there, or you'll be sorry.滚回那边去，否则你会后悔的。
例句
There's room in there for a family of five.
那儿能住下五口之家。
Every aircraft in there has sustained some damage.
那里的每架飞机都受到了一些损坏。
She nodded towards the drawing room. “He's in there.”
她朝客厅方向扬了扬头说：“他在那里面。”