1·Synthetic chemicals have nothing on this natural killer.
人工合成的化学物质与这种天然杀手没有关系。
2·Natural Killer cells are on the front lines of your immune system.
自然杀伤细胞对免疫系统的前线自然杀伤细胞活性。
3·Natural killer (NK) cells are a subset of peripheral blood lymphocytes.
自然杀伤（NK）细胞是一种外周血淋巴细胞亚群。
4·Natural killer group 2 member d, its ligands, and liver disease: Good or bad?
自然杀伤细胞2族成员d及其配体与肝脏疾病：好还是坏？
5·Natural Killer (NK) cells are large granular lymphocytes of the innate immune system.
天生的凶手(NK)细胞是天生免疫的系统的大的粒状淋巴细胞。
6·The genes in question control a type of white blood cell known as natural killer cells, or NK cells.
斯坦福大学的研究者们提出的这项假设发人深思，甚至出人意料。 他们所说的基因控制了一种被称为自然杀手细胞(NK细胞）的白血球细胞。
7·Acid milk can enhance the activity of natural killer cells, and promote the human body to the virus.
酸牛奶能增强自然杀伤细胞的活性，促进人体对病毒的杀伤力。
8·Natural killer t (NKT) cells produce some of the same cytokines as TH2s, but release them faster and in greater quantities.
TH 2细胞产生的部分细胞因子，自然杀伤T细胞(nkt)也能产生，只是自然杀伤细胞能将其大量快速释放。
9·Objective:To investigate the effects of inhalation anesthetic on T lymphocyte subsets and natural killer(NK) cell activity.
目的：观察异氟醚和安氟醚吸入麻醉对病人T细胞亚群、自然杀伤细胞（NK细胞）的影响。
10·Moderate but not exaggerated exercise increase the activity of the white blood cells, particularly the natural killer cell activity.
适量的运动可以增强白细胞尤其是自然杀伤细胞的活动度，并且可以加强呼吸系统的免疫力。