求翻译：才一开学，魔法学校里就怪事连连：守门人的猫和几个学生受到某种可怕的力量的攻击而石化，事发现场留着鲜血写的“密室已被打开……”是什么意思？

Only one school, the school on the strange magic again and again: the doorman of a cat and a few students are subject to the terrible power of the attack and petrochemicals, the scene to keep the blood to write the "Chamber of Secrets has been opened ..."

Only one semester, then, the Magic School of strange things happening: doorman cats and several other students who are in some kind of terrible forces attacked and petrochemical, was found at the scene of the event written in blood in a "secret room has been open ...... "

As soon as only then begins school, in black magic school on strange event again and again: Porter's cat and several students receives some fearful strength the attack to petrify, the matter sends the scene to keep the blood to write “the secret room to open ......”

Only one school, Magic School, strange things: gatekeeper's cat and several students were some of the formidable force attack petrochemical, scene in blood to write "Chamber has been opened sth"

One the new term begins just, magic in school until something strange repeatedly: But petrochemical industry that the gatekeeper's cat and several students receive the attacking of a certain terrible strength, site of the accident keep the blood write with " the secret room has already been opened …