back for blood信息详情
回来换血
for back───为了后面
back for───返回取某物；支持
blood───vt.从……抽血；使……先取得经验；n.（Blood）（英、西）布拉德（人名）；n.血，血液；血统
get back for───因为……回去；为……打击报复
back for me───回来给我
back for you───回来给你
back for more───回来找更多
back for good───永远回来
back back───后退
For most of us, even when blood sugar skyrockets after a big meal, our bodies can bring it back to normal in a few hours with no problem.───对于大多数人来说，吃过饭后血糖会飙升，而且我们的身体会在几小时内使血糖自行恢复。
A new secretary, arriving for her first day of work the next morning, discovered Mr.Li's body. "There was blood everywhere," Mr.Crawley remembered.The new secretary never came back.───第二天早上，一位第一天上班的秘书发现了李先生的尸体，地上全是血迹，从此这个新秘书再也没有出现过。
That day cannot come soon enough for most who sat around the big table, as they struggle to justify the expense in blood and treasure to their people back home.───对于大部分会议出席者来说，那一天的到来犹如“远水救不了近火”，因为他们正努力为国内人民提出各种牺牲战士和支出国库的正当理由。