There are signs that EI Nino,the massive warming of the Pacific O_英语解答

There are signs that EI Nino,the massive warming of the Pacific Ocean that affects the world's weather ,may be forming again.
这句话中两个that 是什么用法啊?

人气：247 ℃　时间：2020-03-21 11:54:37

解答

第一个that引导同位语从句,解释说明什么signs；第二个that引导定语从句,指代前面先行词the massive warming of the Pacific Ocean,that作从句的主语.