遇难: to perish, to be killed...
木头: slow-witted, blockhead, log (of wood, timber etc)...
融: to melt, to thaw, to blend, to merge, to be in harmony...
物体: object, body, substance...
摘要: summary, abstract...
报警: to sound an alarm, to report sth to the police...
未: not yet, did not, have not, not...
乘车: to ride (in a car or carriage), to drive, to motor...
优化: optimization, to optimize, to make superior...
陈旧: old-fashioned...
