The shape and configuration of various bones must likewise be modified to allow the muscles to perform these functions in upright walking.
各种骨骼的形状和结构也必须加以调整，以使肌肉在直立行走时能够执行这些功能。
What enables this upright walking are appendages called type IV pili, which function as the analog of legs.
而使这种直立行走能够发生的物质是被称为4号菌毛(IV pili)的附属物，它行使了类似腿的功能。
Tattersall says it makes sense that arboreal primates may have been "primed, " for upright walking on the ground.
塔特索尔说，为在地面直立行走，树栖灵长类动物可能已被“预先准备好”。
The bone also shows that A. afarensis had abandoned the flexible midfoot that apes use to grasp tree branches, in favor of an arch that makes upright walking more efficient.
这个骨头也说明南方古猿已经抛弃了猿所具有的用于攀爬树枝的柔韧的足中段结构，由于足弓结构的出现，直立行走变得更有效率。
Even the basic forward curve that promotes balance in upright walking is “not a structurally ideal solution, ” she said, since it can lead to instability and even fractured vertebrae.
甚至为直立行走增加平衡的前弯脊柱“在结构上不属于最理想的解决方式”，她说，因为它可导致身体不稳定，甚至椎骨骨折。
Walking keeps you upright and enlists gravity to keep acids from splashing up the esophagus.
散步可以帮助你直立和获得地心重力的作用，去防止胃酸上溅到食道上。
This manual fixation—an indirect by-product of walking upright on two legs—has helped yield numbers in most cultures, but not all.
作为用两条腿直立行走的间接副产品，对手的过分关注帮助大多数文化产生了数字，但并非所有文化都是如此。
For instance, many babies are perfectly proficient crawlers, but they decide to try walking because there's more to see and do when they stand upright.
例如，许多婴儿都能非常熟练地爬行，但他们却决定尝试行走，因为当他们站直时，有更多的东西能看和做。
If the small-brained australopithecines were not toolmakers, what evolutionary advantage did they gain by walking upright?
如果脑子比较小的古猿不是工具制造者，那他们直立行走的进化优势是什么？
Walking upright permitted the father to use his hands to gather food and carry it to his mate from a distance.
直立行走使父亲可以用手收集食物并从远处把食物带给他的配偶。
Try to maintain an upright posture while sitting or walking.
在坐着或走路时脖子保持直立
Walking upright is a complex skill, which takes about seven years for most people to master, according to Humphrey.
汉弗莱说直立行走时一种综合技能，大部分人需要大约7年左右的时间才能掌握。
The female, named Ardi by the researchers who worked on her, belongs to a new species Ardipithecus ramidus and may be the earliest human ancestor ever discovered that was capable of walking upright.
研究员们给这名女性起名叫阿迪（Ardi），阿迪属于一个名为阿迪猿科分支（Ardipithecusramidus）的新物种，她可能是迄今为止发现的能直立行走的最早的人类祖先。
The chimps were measured both while walking upright and while moving on their legs and knuckles.
研究人员对大猩猩在直立行走和四肢着地行走时消耗的氧气量分别进行了测量，并将结果与人类的进行了对比。
Though Ardi would have spent much of her time in the trees, her pelvis was adapted to walking upright when she came down to the forest floor.
尽管阿迪一生中大部分时间也许是在树上渡过的，但当她下到森林地面上时，她的骨盆是适合直立行走的。
In other words, a long-ago ancestor species that spent its time in the trees moved to the ground and began walking upright.
换句话说，我们的祖先很久以前是活动在树上的，后来下到地面，开始直立行走。
Hominids are all the Neanderthals, australopithecines, Homo habili, Homo erecti, etc., the upright-walking apes of which we are the only surviving species.
原始人类是指所有的穴居人，古猿，智人，直立行走的类人猿等，而我们是唯一幸存的类人猿物种。
Walking upright as men, with heads of horned goats, they tread upon cloven hooves and are skilled with weapons of war.
他们能像人一样笔直行走，有山羊的头，用裂开的蹄学会了拿武器。
Secondly, Chinese athletes comply with walking race definition in that the knee joint is unwound from touchdown to upright phases.
我国优秀竞走运动员着地瞬时至垂直瞬时膝关节是伸直的，符合竞走的定义；
Under the careful care of the little girl, only dog not only miraculously survived, but also learn to like people with walking upright on two legs behind, it is truly lovely.
在小姑娘的精心照料下，这只小狗不仅奇迹般地生存了下来，而且还学会像人一样用后面的两条腿直立行走，煞是可爱。
The fertilizer application in the way of walking upright remarkably reduces labor intensity, avoids direct contact of human body with a fertilizer, and eliminates hurt of the fertilizer to human body.
直立行走施肥极大地减轻了劳动强度，避免人体与肥料的直接接触，消除了肥料对人体的损伤。
The fertilizer application in the way of walking upright remarkably reduces labor intensity, avoids direct contact of human body with a fertilizer, and eliminates hurt of the fertilizer to human body.
直立行走施肥极大地减轻了劳动强度，避免人体与肥料的直接接触，消除了肥料对人体的损伤。
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