Can the body ingest this particular item and deal with it in a reasonable way and not have internal havoc occur?
营养能否被身体摄取,能否被适当的消化,不导致机体的紊乱
So, if you start with sodium vapor and chlorine gas, electron transfer will occur.
所以,如果从以钠蒸汽和氯气开始,电子传递就会发生了。
And it might occur to some of you that this seems to be an analogy with the Darwinian theory of natural selection where there's a random assortment of random mutations.
也许你们之中会有人觉得,这和达尔文的自然选择理论,看上去很相似,自然选择就是随机突变的随机分配。
One of the big problems with studying human diseases is that you can study how they occur in people but there's only a limited amount that you can learn from people.
在人类疾病研究中的一个难题是,你有能力研究发病原因,但以人类为样本做研究却是备受限制
And, if you laid this out in a table, as Mendeleev did with his cards, you would find that the local maxima all occur roughly in the same horizontal position from the end points of the rows.
如果你们这些放到一张表格上去,像是门捷列夫用纸牌做的那样,你会发现局部的最高点,会出现在同一个水平高度,从这些行的最后一点。
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