Blood is the medium in which oxygen is carried to all parts of the body.
血液是把氧气输送到身体各部分的媒介。
The researchers then took neurons from the excised brain matter and placed them in a blood-rich culture medium.
研究人员随后从切除的脑组织中提取神经元，并将其置于富含血液的培养基中。
Although Wangping, a medium-scale mine with an annual production of 1.5 million tons, has not seen a severe accident in years, Wang says this does not mean no blood has been shed.
王坪矿只是一个年产150万吨煤的中等煤矿，而且近些年没看到过有重大事故的发生，但小王说这并不意味着没有人没流过一滴血。
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