我想问问Mean normal GFR for age和Lower limit of GFR for age.中文意思是

我想考GFR,英语基础一般,怎么办? he's big for his age的意思是? built for her age什么意思? reduces appearance of age spots中文意思 Age的中文意思 Age中文什么意思? Age中文意思啊 My mother was over the age limit and ,her application for th I'm here for you for age 的意思 He looks quite young for age,but in fect he is at age of fif be for one's age most young people of his age are fighting for jobs.