比如，一座要塞，也就是一种古式的方形城堡，通常有90尺高(27米左右)，里面有三层、最多四层楼。

Example, a Keep, which is an older style square tower-like castle, is typically 90 feet high and will have three or at the most four floors in it.

youdao

比如，一座要塞，也就是一种古式的方形城堡，通常有90尺高(27米左右)，里面有三层、最多四层楼。

Example, a Keep, which is an older style square tower-like castle, is typically 90 feet high and will have three or at the most four floors in it.

youdao