Noun:

1. a large phagocyte; some are fixed and other circulate in the blood stream

macro-表示“大的, 长的”之义macroadj.宏观的macrogenerating programme宏编辑程序macroglobulin methylamine巨球蛋白甲胺Macrocentrus sichuanensisn.四川长体茧蜂Macrothelypteris setigeran.刚鳞针毛蕨macro-battery corrosion宏电池腐蚀macroassembler error code宏汇编程序错误码Macrocentrus guangxiensisn.广西长体茧蜂；新种Macrocentrus concentralisn.同心长体茧蜂；新种macro-economy variables宏观经济变量macroporous microcarriers大孔微载体

1. The alveolar macrophage is derived largely from the bone marrow.
   肺泡巨噬细胞主要是从骨髓中分化出来的。
2. The next two chapters cover measuring macrophage activity in vitro and in vivo.
   下一两章包括在试管内和在活体内测量巨噬细胞活动。