So, every time you're exposed to a new vaccine or a new antigen you go through this primary response before you have the secondary response.
所以,每当你接触到新疫苗或是新抗原,在再次免疫之前,机体将会经历这样的初次免疫过程
One of the things that I didn't mention before is that when you get this primary response and then the secondary response, if you looked at the antibodies that are generated during the primary response, again we're only looking at antibodies that bind to the particular antigen or vaccine that we have used for the priming.
还有一点我之前没有提及,当你获得初次免疫,以及再次免疫之后,如果你仔细观察抗体,观察那些在初次免疫中生成的抗体,这次我们同样只是观察抗体,那些与我们在初次免疫中所用到的,特定抗原或疫苗相结合的抗体
What's essential about the Primary Dealer Credit Facility is that they're opening up the discount window of lending beyond the member bank to primary dealers.
一级交易商信贷工具中,最本质的东西是,他们将会员银行的贴现窗口,向一级交易商打开了。
We're on the verge now of the first southern primary in this year's election, in South Carolina, and everybody is wondering, is there a new modern South Carolina or not?
我们马上就要迎来在南卡罗来纳州举行的,今年总统大选第一轮南方预选,每一个人都想知道,是否会出现一个崭新的现代的南卡罗来纳
You see the lactose of course from milk, and then when you get down to the cellulose, and we're talking about starches and then fiber gets involved in here too, then cereals and vegetables become the primary source of these.
你们知道乳糖来自于乳类,当你研究纤维素的时候,以及我们在这里所说的淀粉和纤维,他们最主要的来源是谷类和蔬菜
Because on second exposure there's another population of cells that I haven't mentioned before that remain after the primary exposure and those are called memory cells, they're down here.
因为在再次免疫中,有另外一些细胞,我之前并没有提到过它们,在初次免疫结束后保留下来的细胞,被称为记忆细胞,它们在下面
应用推荐