肌酐清除率的英文怎么说

肌酐清除率的英文：
creatinine clearance rate

take off clearance = clearance for take off
起飞许可

The plane was given clearance to land.
飞机被给予着陆的许可。

Clearance of this check could take a week.
支票兑现可能需要一个星期。

cumulative rating
累积收听率

These bonds have an AAA rating.
这些债券的信用度是3A级的。

To rate too low;underestimate.
低估对…估价太低；低估