将犬腹腔麻醉，从犬髂骨处抽取骨髓，肝素抗凝。
The dogs were anesthetized and bone marrow was aspirated and mixed with heparin.
犬脾转移因子(CS - TF)是从犬脾脏中提取的一种特定的淋巴细胞因子，其理化特性与其他转移因子(TF)的相似。
Canine Spleen-Transfer factor (CS-TF) is a kind of specific lymphocytic factor extracted from canine spleen. It's physicochemical properties are similar to those of other transfer factors (TF).
一些动物权利倡导者已经在批评奥巴马一家从私人育犬员而非流浪狗收容所那里收养狗。
Some animal rights advocates have criticized the Obamas for adopting a dog from a private breeder rather than from a shelter.
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