入侵: to invade...
休息: rest, to rest...
奥运会: abbr. for, Olympic Games, the Olympics...
摇滚: rock 'n' roll (music), to rock, to fall off...
充当: to serve as, to act as, to play the role of...
车速: vehicle speed...
悲剧: tragedy...
未知数: unknown quantity...
乱: in confusion or disorder, in a confused state of mind, disorder, upheaval, riot, illicit sexual relations, to throw into disorder, to mix up, indiscriminate, random, arbitrary...
形状: form, shape...
