Her wide-eyed innocence soon exposes the pretensions of the art world.她的天真烂漫很快就暴露了艺术界的矫揉造作。She is endearingly free of pretensions.她丝毫不做作，很讨人喜爱。The play mocks the pretensions of the new middle class.这出戏讽刺了新中产阶级的装模作样。...
In the distance I could hear the chug of farm machinery.离老远，我都能听到农机具的突突声。The wail of the bagpipe could be heard in the distance.远远地能听到风笛的呜咽。Somewhere in the distance a siren hooted.远处某个地方响起了警报声。...
And you can also find the crematorium with running overloaded.此外,你还可以看到整日超负荷运转的焚尸炉.The risk does not detract from Nixon's courage in running it.危险无损于尼克松甘冒风险的勇气.She changes her look so often that she never seems the ...
Each of these life - sustainng agents begins as a stem cell , a sort of hematological embryo.这三种维持生命的要素都起源于干细胞.干细胞是血液的胚胎.Dolly's legacy includes the possibility of making patient - specific embryonic stem cell lines...
L - Carnitine is synthesized from the amino acids lysine and methionine.卡尼丁是由氨基酸,赖氨酸和蛋氨酸合成的.For example rice is low in isoleucine and lysine.例如,米饭中的异亮氨酸和赖氨酸就非常少.Two mutually exclusive pathways of lysine biosynthesis have...
The Committee said his actions were improper and repugnant.委员会称他行为失当，令人反感。an improper course of action不正确的做法What an improper suggestion!多么不体面的建议!Mr Matthews maintained that he had done nothing improper.马修斯先生坚称他没有做过非法的事情。...
The polypepticle chains in elastin are present in a random arrangement.弹性蛋白内的多肽链以一种纹乱的排列而存在.They have a yellowish color owing to the accumulation of elastin in the media.因中膜中含有很多弹性纤维所以呈黄色.Collagen and elastin provide the...