火车接近时他们身体紧贴着隧道壁。
They pressed themselves flat against the tunnel wall as the train approached.
从那以后我的事业似乎碰了壁。
调查人员碰了壁，问谁谁都默不作声。
下面这个是子宫，大概有一半是子宫壁、输卵管和卵巢。
This is the uterus down here, sort of half of it is shown with the uterine wall, the fallopian tubes, and the ovaries.
同样地，红藻和褐藻在能量贮藏和细胞壁分子方面有所不同。
Again, the good storage and cell wall molecules of red and brown algae are different.
寡聚糖素是由酶释放的细胞壁碎片：不同的酶释放不同的寡聚糖素。
Oligosaccharins are fragments of the cell wall released by enzymes: different enzymes release different oligosaccharins.
当水通过植物细胞的细胞壁，它会从含盐量最低的一侧进入含盐量最高的一侧。
When water moves through the wall of a plant cell, it will move from the side containing water with the lowest amount of salt into the side containing the highest amount of salt.
它们只是简单地感觉到它们所处环境的变化，例如，当土堆的壁被破坏时，会改变空气的循环。
They simply sense changes in their environment, as for example when the mound's wall has been damaged, altering the circulation of air.
有些决定，如壁厚和销轴直径，可能取决于科学的计算，但非科学的部分的设计仍然是首要的。
Some decisions, such as wall thickness and pin diameter, may depend on scientific calculations, but the nonscientific component of design remains primary.
寻找自然的框架，比如一个拱形或峡谷涯壁的阴影。一个框架可以是一个戏剧性的装置来突出你的主题。
Look for natural frames, such as an arch or the shaded walls of a canyon. A frame can be a dramatic device to enhance your subject.
有迹象表明，多效性植物激素实际上可能通过激活酶来发挥作用，这些酶从细胞壁释放出这些更为特殊的化学信使。
There are indications that pleiotropic plant hormones may actually function by activating the enzymes that release these other, more specific chemical messengers from the cell wall.
原因如下：1830年，一位名叫乔治·兰金（George Rankin）的当地官员用一根绳子把自己吊入洞穴，这根绳子固定在洞穴壁的一个突出石块上。
Here's why: In 1830 a local official named George Rankin lowered himself into the cave on a rope tied to a protrusion in the cave wall.
壁虱可传播危害人类的严重疾病。
该公司生产消灭壁虱和螨虫的化学品。
The company produces chemicals that destroy ticks and mites.
书架正好放得进壁凹。
烧瓶壁标有刻度。
我正从这个壁架上转下来。
她帮助她学生的思想攀登山壁，接触到外面的世界。
She helped the minds of her students' scale the mountain walls and reached out to the world beyond.
能量可以穿过杯壁流动，但是我在顶上加了盖子，所以水不能跑出来。
Energy can flow across the glass but I put a lid on top, and so the water can't get out.
绿藻以淀粉的形式储存食物，陆生植物也是如此，它们的细胞壁由纤维素构成，与陆生植物的细胞壁组成相似。
Green algae store food as starch, as do land plants and have cell walls made of cellulose, similar in composition to those of land plants.
硅藻土是由蜂窝状的细胞壁形成的。
主动脉炎是主动脉壁发炎的病理学术语。
Aortitis is the pathological term for inflammation of the aortic wall.
请勿使壁装电源插座，延长线或一体式便利插座过载。
Do not overload wall outlets, extension cords, or integral convenience receptacles.
在某些如甲烷菌和甲烷甲烷热菌的产甲烷菌中发现了这种类型的壁。
This type of wall is found in some methanogens, such as Methanobacterium and Methanothermus.
弯月面容器中之静止液体的弯曲上表面，如果液体浸润了容器壁，那么弯曲面呈凹状。
The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls.
在陆地棉小孢子发生过程中，相邻的减数分裂细胞壁中的细胞质通道是一个明显的特征。
The cytoplasmic channel in the wall of adjacent meiocytes was an obvious feature during microsporogenesis in Gossypium hirsutum.
战后许多城市到处可见颓垣残壁。
心壁的最外层也是心外膜的最内层。
The outermost layer of the wall of the heart is also the innermost layer of the visceral pericardium.
心包炎是一种累及壁层和内脏层的炎症过程。
Pericarditis is an inflammatory process involving the parietal and visceral layers.
心包炎是一种累及壁层和内脏层的炎症过程。
Pericarditis is an inflammatory process involving the parietal and visceral layers.
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