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。
The researchers then took neurons from the excised brain matter and placed them in a blood-rich culture medium.
原本估计，从切除肿瘤手术到身体康复仅需7周时间。
The recovery period from the surgery to remove it was supposed to be a mere seven weeks.
当医生说他的右腿必须从膝盖以上6英寸处切除时，他一定感到绝望了。
He must have felt hopeless when the doctor said his right leg would have to be cut off 6 inches above the knee.
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