The last straw that breaks the camelback .

意思是压垮骆驼背的最后一根稻草。

Mounted police are police who do patrols on horseback or camelback .

骑警指在骑马或骑骆驼执行巡逻任务的警察。

Collagena : other unusual dishes on display at the exhibit included roasted camelback , which is high in gelatin and protein content .

其他在美食展中展出的很不寻常的菜色包括了烤骆驼背,那道菜是含有丰富胶质与蛋白质的。