1、石油上的Rating是“等级”的意思。

2、rating，英语单词，名词、动词，作名词时译为“等级；等级评定；额定功率”，作动词时译为“对…评价（rate的ing形式）”。

3、例句：

For some teachers, half of their rating is based on how well their students do. 对一些教师来说，一半的评级是基于他们的学生表现。

You can then look over your credit rating and contact them if you discover something that is incorrect. 然后你可以看看你的信用评级和他们接触一下，如果你发现的东西就是不正确。