重点讲解：
1. reflect on 沉思；深思；
例句：He reflected on his past mistakes.
他反省过去的错误OI&c*C=&P.,vNBAaSh。
2. die from 死于……；
例句：More die from the pot than from poverty.
酗酒而死者多于贫困q;GO=ciMs9r8kGQIwOW。
3. according to 据…所说；按…所载；
例句：According to some philosopher, everything in existence is reasonable.
某位哲学家认为，存在的事物都是合理的A84xh(4-bMAV。
4. result in 导致；引起；造成；
例句：Excessive dosage of this drug can result in injury to the liver.
这种药使用过量会损害肝脏P#~fj)[SYkeULhd2=j。
5. as of 在…时；从…起；自…始；
例句：As of early September, the investigation had not concluded.
截至9月初，调查尚未结束l!|+.!9GpSkY#Z~WKu.3。
6. on average 平均起来；按平均值；
例句：There is very little rain here, merely 60 mm in a year on average.
这儿雨水极少，平均每年只有60毫米r)oLL8vgJ97Ct%ygb。