1、a burial chamber (usually underground)
埋葬的場所（通常在地下）。

2、Of the tomb's four rooms, only the walls of the burial chamber are decorated.
墓內的四個房間，只有墓室的墻面有裝飾。

3、A mummy's burial chamber is even recreated inside.
將這里作為木乃伊的墓室是在合適不過了。