确定: definite, certain, fixed, to fix (on sth), to determine, to be sure, to ensure, to make certain, to ascertain, to clinch, to recognize, to confirm, OK (on computer dialog box)...
强烈: intense, (violently) strong...
空前: unprecedented...
矮小: short and small, low and small, undersized...
持久: lasting, enduring, persistent, permanent, protracted, endurance, persistence, to last long...
值得: to be worth, to deserve...
频频: repeatedly, again and again, continuously, constantly...
公安: (Ministry of) Public Security, public safety, public security...
的: used to indicate a modifying and modified relationship...
步骤: procedure, step...
