the additional material is about chemistry.

补充进来的内容却是关于化学的
And it's at the end, and posed not as hypotheses but as questions,

它们作为疑问而非假设在书末尾提出
because Baconian people, following Francis Bacon,

因为彼时弗兰西斯·培根的追随者们
weren't supposed to make hypotheses, but they could ask questions.

都不事假设但却爱提问
So here are some of the questions.

这里就是其中的一些问题
Question thirty-one, the one that has most to do with chemistry:

问题31是与化学关系最密切的一个
"Have not the small Particles of Bodies certain Powers,Virtues,

这些微粒具有的那种能隔空产生的
or Forces by which they act at a distance,

能量品性或是力量
not only on the Rays of Light to reflect, refract and inflect them,

除却能让光在其身上反射折射或屈折
but also upon one another

是否也能在粒子间发生作用
for producing a great part of the Phaenomena of Nature?"

而在自然现象的发生中起重要作用呢
And this attraction between the particles or repulsion

这就讲到了粒子间的引力或斥力