狗在房子里英文怎么说

狗在房子里英语可以说成 "The dog is inside the house."

"Inside" 这个词是一个介词，意思是"在…里面"。它来源于古英语"insidan"，意思是"在内部"或"在内在"。

下面是一些例句：

The cat is inside the box. (猫在盒子里。)
Please close the door. The air conditioning is on inside. (请关上门。里面开着空调。)
Is anyone inside the car? (有人在车里吗？)
The store is open. You can go inside and browse. (商店是开的。你可以进去看看。)