随着年龄的增长，她的头发逐渐变粗糙了。
这些道路是为适应气温的逐渐变化而建的。
The roads are built to accommodate gradual temperature changes.
水渐渐变深了。
渐渐地，灰冷的晨光逐渐变白，声音越来越多，万物生机勃勃。
Gradually the cool dim gray of the morning whitened, and as gradually sounds multiplied and life manifested itself.
一个物种最重要的生存因素是它的竞争能力和适应环境逐渐变化的能力。
The most important factor for the survival of a species is its ability to compete and adapt to gradual changes in its environment.
一个物种竞争和适应逐渐变化的环境的能力并不是生存所必需的唯一能力。
The ability of a species to compete and adapt to a gradually changing environment is not the only ability that is essential for survival.
在这项研究中，观察到八种不同的三叶虫，每一种都经历了身体节数的逐渐变化。
In that study, each of eight different trilobite species was observed to undergo a gradual change in the number of segments.
为了应对逐渐变化的气候，一些物种改变了活动范围，已经迁移到数百公里以外的地方。
In response to these gradual climatic swings, some species have shifted their ranges hundreds of kilometers.
随着新等位基因在每个群体中独立突变产生，它们在许多遗传位点上的等位基因频率逐渐变得越来越不同。
Their allele frequencies at numerous genetic loci gradually become more and more different as new alleles independently arise by mutation in each population.
土壤吸收水分的能力减弱使土壤逐渐变得干燥，导致植被进一步减少，从而建立了一个渐进的地表退化循环。
The gradual drying of the soil caused by its diminished ability to absorb water results in the further loss of vegetation, so that a cycle of progressive surface deterioration is established.
乐曲渐变到一个激动人心的末乐章。
猩红的翅膀到了翼端渐变成浅红。
萨尔比的脸渐渐变为暗红色。
下午影子渐渐变长了。
重要的是要在最后一个螺母上安装一个防松垫圈，否则它会逐渐变松。
It's important to put a lock washer on that last nut, or it can work loose.
它们的喧闹声逐渐变为整齐划一的、带有威胁性的吼叫，还夹杂着刺耳的狂吠。
Their noise modulated to a concerted menacing growl punctuated by sharp yaps.
风逐渐变大，我们的视线逐渐模糊。
撒哈拉地区逐渐变得干燥，那里的湖泊也消失了。
每到盛夏，白昼渐渐变长，丽莎就喜欢去公园看云。
When the days grew long in the middle of summer, Lisa liked to go to the park and watch the clouds.
由于天逐渐变黑，这个城镇的街道上几乎空无一人。
As it was getting dark, the streets in this town became almost empty.
植物一天天地越长越高，小女孩也逐渐变得越来越好。
Day by day the plant grew taller and taller, and gradually the little girl became better and better.
小块的食物可以很容易地用小树枝吃，小树枝也就逐渐变成了筷子。
Food in small pieces could be eaten easily with twigs which gradually turned into chopsticks.
他漫无目的地继续往前走，没过多久，房屋渐渐变得稀少，过路的人也不多了。
He moved on, aimlessly, and in a little while the houses thinned, and the passers-by were infrequent.
Abbot H。Thayer 曾提出，这种渐变抹杀了因为影子而导致的实体性的外观。
Abbot H. Thayer has suggested that this gradation obliterates the appearance of solidity, which is due to shadow.
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