提示：点击例句中的单词，就可以看到词义解释

Bystanders wagered cash on how many burgers the traders could eat .

旁观者对这些交易员能吃掉多少个汉堡下了现金赌注。

Recently china has seen prominent cases of bystanders ignoring injured people .

最近在中国出现了好几起路人对受伤人员置之不理的事件。

Innocent bystanders can also be at risk of being injured by a gang member .

即便是不相干的围观群众，也存在被误伤的风险。

Bystanders tried to put out the flames with a fire extinguisher . But it was empty .

旁边站的人试图用灭火器灭火，然灭火器却是空的。

Rescue workers competed with bewildered bystanders for access to overloaded mobile-phone networks .

救援人员竭力疏散不知所措的旁观人群，希望避免手机信号网络过于拥堵。