肺泡巨噬细胞主要是从骨髓中分化出来的.The alveolar macrophage is derived largely from the bone marrow.肺泡巨噬细胞特别富含各种蛋白质水解酶.The alveolar macrophage is particularly rich in the variety of proteolytic enzymes.病毒或细菌感染肺泡引起肺炎.Virus or bacteria inf...
Extraction method of landfill gas was introduced based on practice experience.并根据实践经验介绍了抽取填埋气体的方法.Environmentalists say there is a high risk of pollution from the landfill site.环境保护工作者说废渣埋填地很可能造成污染....the cost of disposi...
A rhinoceros lumbered towards them.一头犀牛笨重地向他们走来.countries trading illegally in rhinoceros horn非法进行犀牛角交易的国家Carruthers had been gored by a rhinoceros...卡拉瑟斯被犀牛顶伤了。Say what you like about him, he won’t care; he’s got a skin...