Erpf
[醫(yī)] 有效腎血漿流量
??? 情景例句
You haven't changed much in fifty years.
你五十年來沒有什么變。
May I have a look at the watch?
我能看看這塊表嗎？
'I left the money in my room,' I said, 'and it's not there now.
“我把錢放在房間里，”我說，“可現(xiàn)在沒有了。