These two compartments are synovial cavities, which consists of an upper and a lower synovial cavity.
这两个隔室是滑膜腔，由上、下滑膜腔组成。
If you get some of these in the upper atmosphere, a photon, an ultraviolet photon, has the energy capable of breaking this bond.
如果你把它放到大气层上，一个光子，一个紫外光光子，有能量可以破坏它的化学键。
Of the first variety, injecting sunlight-reflecting sulphate aerosols into the upper atmosphere is a relatively cheap, easy and quick option.
对于第一种方式，在上层大气注入阳光反射硫盐酸气溶胶是一个相对便宜、简单、快捷的选择。
Most Atlantic hurricanes are born off the western coast of Africa, where warm water and a cool, windy upper atmosphere conspire to create a spiraling storm.
大多数大西洋上的飓风都产生在非洲西海岸，那里温暖的海水和冷而多风的高层大气一起造成了这种旋风。
So far we have covered biodiversity in the hardwood forest here in the upper peninsula of Michigan from a number of angles.
到目前为止，我们已经从多个角度报道了密歇根上半岛的硬木森林的生物多样性。
It seems possible that a sinking current of cooled mantle material on the upper side of the plate might be the cause of such deep basins.
看来，板块上侧冷却的地幔物质的下沉流可能是造成这种深盆地的原因。
Doctors removed parts of his upper left jaw and hard palate and considered the operation to be a success, although it left Cleveland's mouth disfigured.
医生切除了他的部分上左颚和硬腭，尽管它使得克利夫兰嘴部变丑，但认为手术是成功的。
According to Webb, the purpose of garrison government was to provide military support for a royal policy designed to limit the power of the upper classes in the American colonies.
根据韦伯的说法，驻军政府的目的是为一项旨在限制美国殖民地上层阶级权力的皇家政策提供军事支持。
For those who snore only when sleeping on their back, placing a pillow under their upper back may encourage them to change sleeping position.
对于那些仅在仰卧时才会打鼾的人，在他们的上背部放一个枕头可以促使他们改变睡姿。
Acting was not a kosher trade for an upper-class girl.
那时演戏对出身上流社会的女孩儿来说不是一个合适的职业。
The man had the bulky upper torso of a weightlifter.
这名男子有着举重运动员的粗壮身躯。
The beginnings of a moustache showed on his upper lip.
胡须开始出现在他的唇上。
All the land tortoise species formed a tight cluster of points in the upper part of the triangle; all the water turtles cluster in the lower part of the triangular graph.
所有陆龟品种都在三角形的上部形成一个紧密的点群；所有的水龟都聚集在三角图的下方。
States had at least three social levels, usually, an upper class of rulers, a middleclass comprised of managers and merchants, and a lower class of crop producers and agricultural laborers.
国家中至少有三种社会阶层，上层阶级（执政），中产阶级（商人，管理者）和下层阶级（农民，工人）。
If you really don't like the cold, it's fine to go in the tub wearing running tights or sweatpants and a sweatshirt or towel wrapped around your upper body.
如果你实在不喜欢那种冰的感觉，你可以穿着运动紧身衣或是运动裤、运动衫或者在上半身裹条毛巾，然后再钻进浴缸里。
When a reservoir is sufficiently large, a sphere of this hot rock forces its way up through the upper mantle to Earth's surface, creating a broad bulge in the topography.
当储层足够大时，这种炽热岩石的一个球体强行通过上地幔上升到地球表面，在地形上形成一个宽阔的隆起。
The Upper West Side is becoming a place where people can establish families in New York.
上西区正在成为人们可以在纽约安家的地方。
You might like to take a look at the Joe Tremain sculptures which are displayed on this side of the Upper Lake, just behind the Education Centre and near the bridge.
你可能会想看看乔·特莱梅的雕塑，它们陈列在上湖区的这一边，就在教育中心后面那座桥附近的地方。
Many top firms will not even look at applications from those who lack a 2.1, i.e., an upper-second class degree.
许多顶级公司甚至不会考虑那些没有高等二级学位证书的人的申请。
There is still no universally agreed-on explanation for why there should be such a dramatic cessation of tree growth at the upper timberline.
对于为什么树线以上的树木会突然停止生长，至今还没有一个公认的解释。
Ekman's observation may be relevant to the British expression "keep a stiff upper lip" as a recommendation for handling stress.
埃克曼的观察结果可能与英国人的表达“保持冷静”有关，这是一种应对压力的建议。
Students had to complete a difficult mental math task in front of the same upper-year students.
学生们必须在同一批高年级学生面前完成一项艰巨的心算任务。
He had the upper body of a six feet boy, but because of his legs, he was much less than six feet.
他有着六尺男孩的上半身，但因为他的腿，他远没有六英尺高。
In this study, students came into the laboratory and were asked to give a public speech in front of upper-year students.
在这项研究中，学生们进入实验室，并被要求在高年级学生面前进行公开演讲。
Cave art seems to have reached a peak toward the end of the Upper Paleolithic period, when the herds of game were decreasing.
洞穴壁画艺术似乎在旧石器时代晚期达到了顶峰，而当时猎物的数量正在减少。
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