火势的强度令人难以承受。

The ___intensity of the blaze was overwhelming.

她的声音带着一种情感强度，感动了整个房间。

Her voice carried an emotional ___intensity that moved the entire room.

风暴以预示迫在眉睫危险的强度逼近。

The storm approached with an ___intensity that signaled imminent danger.