16.Is this a defect,or are the authors working out of,or trying toforge,a different kind of aesthetic?这究竟是一种缺陷呢,或者是否表明,这些作者是在按照一种与众不同的美学体系进行创作,抑或是在试图创立一种与众不同的美学体系? 17.Black Fiction surveys a wide variety of novels,bringing to ourattention in the process some fascinating and little-known works likeJames Weldon Johnson’s Autobiography of an Ex- Colored Man. 8 A) x* c4 x! `0 \3 J! h& g《黑人小说》考察了极为广泛的一系列小说,在此过程中让我们注意到了某些引人入胜但却鲜为人知的作品,如詹姆斯。韦尔登。约翰逊(James WeldonJohnson)的《一个曾经是有色人的自传》(Autobiography of an Ex-Colored Man)。 - _3 Y0 n) G7 F/ R18.Although these molecules allow radiation at visible wavelengths,where most of the energy of sunlight is concentrated,to passthrough,they absorb some of the longer-wavelength, infrared emissionsradiated from the Earth’s surface,radiation that would otherwise betransmitted back into space. x9 |- l( \1 X# J+ ]5 A! h% _虽然这些分子允许可见波长(visiblewavelength)的辐射——阳光的绝大部分能量就汇集于此——不受阻挡地穿透,但它们却会吸收某些较长波长(longer-wavelength),亦即从地球表面辐射出的红外发射(infraredcmission),这种辐射若不是二氧化碳的缘故就会被重新输送回太空。 ' t- e6 R4 l7 J19.The role those anthropologists ascribe to evolution is not ofdictating the details of human behavior but one of imposingconstraints—ways of feeling,thinking,and acting that "come naturally"in archetypal situations in any culture. ' y' x/ @4 ?7 t% o4 o- S) J这些人类学家所归诸于生物进化的作用,不是规定人类行为的种种细节,而是将各种限制强加于人类——即在任何文化的典型情景中都会“自然表露”的情感、思维、以及行动方式。 & H4 j7 Z+ n( p. G# d$ x, M
20.A low number of algal cells in the presence of a high number ofgrazers suggested,but did not prove, that the grazers had removed mostof the algae. , k2 K7 W; y# \1 z) `
在存在大量食草动物的同时却只有少量的水藻花粉囊,这暗示出——但没能证明——食草动物已吞噬了大部分水藻。