They are reported to serve as biological response modifiers with the capability to activate macrophages and T-cells, and to produce cytokines, interleukins and tumor necrosis factors.
它们被认为是生物反应的调节者，具有有激活巨噬细胞和T细胞的能力，并产生细胞因子、白细胞介素和肿瘤坏死因子。
Yet, after coming close to reaching this point, some then cop out by claiming they don 't have any willpower, as if there was a willpower gene that somehow they are lacking.
然而，在认识到这一点之后，有些人逃避了，说他们没有任何意志力，好像意志力是某种基因，而他们缺少这种基因一样。
But medicinal teas aren \ 't nearly as popular in America as they are in other countries.
但是药用茶叶在其他国家并没有像在美国那样受欢迎。
The host cells in question are immune-system cells called T-cells. Specifically, they are "helper" T-cells, which orchestrate the immune system's response to pathogens such as viruses.
被选中的寄主细胞是一种被叫做T细胞的免疫系统细胞，具体而言，他们是辅助T细胞[注一]，它将应答免疫系统对例如病毒等病原体的反应。
But while T-bills are as safe from default as anything on the planet, they yield a very low rate of return.
但是虽然从违约来看 T-bill 和这颗星球上的其它事物一样安全，它的回报率却是极低的。
That would explain why poor countries are as happy as rich ones (so long as they aren t subjected to too many images of them, perhaps).
也许那就可以解释为何穷国和富国一样幸福。(只要他们不被太多自己的想象所困扰)。
Theirs are not organised the way I would do it, and they don’ t answer some of the questions I have (or had) as complete newbie.
他们的没有以我作的方式来安排内容，并且他们没有回答我是一个完全彻底的初学者的时候的一些问题。
Study after study has shown that they test poorly, don "t get as far in school, earn less, are less healthy, and don" t live as long as children born at other times of year.
多项研究表明，他们成绩很差，上学时间较短，薪水较低，健康状况较差，寿命也不如其他季节出生的孩子长。
Daniel: British people are very polite at home as well, aren "t they?"
丹尼尔：英国人在家里也很有礼貌，是吗？
Daniel: British people are very polite at home as well, aren "t they?"
丹尼尔：英国人在家里也很有礼貌，是吗？
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