Four 22 year-olds on a Mexican road trip seem bound for disaster until they, and their trip, are unexpectedly redeemed by a series of miraculous events. 超级皮肤（硬壳）：兑换积分(fèn )：25，000分，在生物的(de )表面生(shēng )成一种(🏝)坚硬的物(wù )质，保护其里面的肌肉(🐳)(ròu )，能够极大提升生(📦)物的防御(yù )能力。