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Book II Chapter 7
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Let us, then, consider together how it is attracted. How else than in the way that iron is attracted by the lodestone, the latter having a faculty1 attractive of this particular quality [existing in iron]? But if the beginning of anadosis depends on the squeezing action of the stomach, and the whole movement thereafter on the peristalsis and propulsive2 action of the veins3, as well as on the traction4 exerted by each of the parts which are undergoing nourishment5, then we can abandon the principle of replacement6 of evacuated7 matter, as not being suitable for a man who assumes Nature to be a skilled artist; thus we shall also have avoided the contradiction of Asclepiades though we cannot refute it: for the disjunctive argument used for the purposes of demonstration8 is, in reality, disjunctive not of two but of three alternatives; now, if we treat the disjunction as a disjunction of two alternatives, one of the two propositions assumed in constructing our proof must be false; and if as a disjunctive of three alternatives, no conclusion will be arrived at.

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1 faculty HhkzK     
n.才能;学院,系;(学院或系的)全体教学人员
参考例句:
  • He has a great faculty for learning foreign languages.他有学习外语的天赋。
  • He has the faculty of saying the right thing at the right time.他有在恰当的时候说恰当的话的才智。
2 propulsive kRkx3     
adj.推进的
参考例句:
  • The fish uses its tail fins for propulsive force throgh the water.鱼靠尾鳍在水中前进。
  • Interest in jet propulsive force was now growing at the Air Ministry.航空部对喷气推进的兴趣正在增加。
3 veins 65827206226d9e2d78ea2bfe697c6329     
n.纹理;矿脉( vein的名词复数 );静脉;叶脉;纹理
参考例句:
  • The blood flows from the capillaries back into the veins. 血从毛细血管流回静脉。 来自《简明英汉词典》
  • I felt a pleasant glow in all my veins from the wine. 喝过酒后我浑身的血都热烘烘的,感到很舒服。 来自《简明英汉词典》
4 traction kJXz3     
n.牵引;附着摩擦力
参考例句:
  • I'll show you how the traction is applied.我会让你看如何做这种牵引。
  • She's injured her back and is in traction for a month.她背部受伤,正在作一个月的牵引治疗。
5 nourishment Ovvyi     
n.食物,营养品;营养情况
参考例句:
  • Lack of proper nourishment reduces their power to resist disease.营养不良降低了他们抵抗疾病的能力。
  • He ventured that plants draw part of their nourishment from the air.他大胆提出植物从空气中吸收部分养分的观点。
6 replacement UVxxM     
n.取代,替换,交换;替代品,代用品
参考例句:
  • We are hard put to find a replacement for our assistant.我们很难找到一个人来代替我们的助手。
  • They put all the students through the replacement examination.他们让所有的学生参加分班考试。
7 evacuated b2adcc11308c78e262805bbcd7da1669     
撤退者的
参考例句:
  • Police evacuated nearby buildings. 警方已将附近大楼的居民疏散。
  • The fireman evacuated the guests from the burning hotel. 消防队员把客人们从燃烧着的旅馆中撤出来。
8 demonstration 9waxo     
n.表明,示范,论证,示威
参考例句:
  • His new book is a demonstration of his patriotism.他写的新书是他的爱国精神的证明。
  • He gave a demonstration of the new technique then and there.他当场表演了这种新的操作方法。


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