1.chain n. 链子，链条；连锁，连续

例句：The effect was to disrupt the food chain, starving many animals and those that preyed on them.
其结果就是破坏食物链，使很多动物和那些以捕食它们为生的动物饿死EGTB(x3d(Y6bqy。

2.raise v. 筹集；提升；增加；养育

例句：The oil shortages could lead the government to raise prices before the New Year.
石油短缺有可能导致政府在年前提高油价k(u]PLzUj&k。