【定语从句可以是连续的两个从句?Inthispartofthecave,theycouldhearaninsistentboomingsoundwhichtheyfoundwascausedbyasmallwaterpoutshootingdownintoapoolfromtheroofofthecave.whichtheyfoundwascausedbyasm】

　　定语从句可以是连续的两个从句?

　　Inthispartofthecave,theycouldhearaninsistentboomingsoundwhichtheyfoundwascausedbyasmallwaterpoutshootingdownintoapoolfromtheroofofthecave.

　　whichtheyfoundwascausedbyasmallwaterpout

　　which后带了两个从句啊...

　　whichtheyfound

　　whichwascausedbyasmallwaterpout