Exhaust gases escape through ports in the cylinder walls.

而废气通过汽缸壁的接口排出。

A large plane with padded walls flies to high altitude and then goes into a nosedive- or a fast and sudden fall - which creates short periods of weightlessness.

机舱壁经过填充的飞机在到达高海拔之后突然俯冲会造成短时间的失重。

Just a five-minute drive into the park, pull into the Park Avenue Trailhead, and mosey beneath the shadows of towering canyon walls, which evoke the early skyscrapers of New York City.

驶进公园只需要五分钟，就驶入了公园大道步道，在高耸的峡谷壁的阴影下漫步，那让人想起纽约市早期的摩天大楼。

In the layers of the bladder wall are a mucosa layer that has a transitional epithelium, which is stretchy and allows the bladder to distend while maintaining a barrier between urine and the body.

膀胱壁多层结构中的粘膜层为变移上皮，变移上皮富有弹性，使膀胱扩张的同时，保证尿液不进入组织液。

It connects to the wall of the mother's uterus.

与母亲的子宫壁相连。

They build their nests on flat surfaces of the canyon walls.

他们在峡谷壁的平坦面上筑巢。

The pottery was probably made by shaping clay into a ball with the hand, and then hollowing it until the walls were right thickness.

陶瓷可能是靠手将粘土弄成球形，然后掏空中间直到陶瓷壁达到合适的厚。

A rip in the plane wall, a window cracks, it doesn't matter the cause.

飞机壁、窗户上的裂缝由什么引起的并不重要。

The machine is a circular ring with strong walls to resist intense heat.

该机器是一个圆环，有坚固的壁以抵抗高温。

Another successful species is the pigeon, because they're able to perch on ledges on the walls of city buildings, just like they once perched on cliffs by the sea.

另一个成功的物种是鸽子，因为们能够栖息在城市建筑墙壁上的壁架上，就像们曾经栖息在海边的悬崖上一样。

Like the whole album, no, not like fires, like intentional fireplace fires.

我是指做专辑的氛围......不是说失火，不是那种刻意生起来的壁炉火。

Thunder bolts were supposed to go off.

壁炉火应该点亮的。

Within days, I had learned that the cancer had already penetrated the walls of my colon and spread to multiple lymph nodes.

几天之内，我得知癌细胞已经穿了我的结肠壁，并扩散到了多个淋巴结。

Instead, the Aphthous Ulcer are basically little abrasions inside your mouth, often caused by something that irritates a spot like braces or dentures rubbing against your cheek or acidic or spicy foods.

口腔溃疡简单说就是口腔内的微创，多是因为外在刺激而造成的，比如摩擦口腔壁的牙套或假牙，或是酸辣食物。

It covers the surface of your body when it combines with connective tissue to create skin, but it also lines your body cavities, and coats the internal and external walls of many of your organs.

当与结缔组织结合形成皮肤时，覆盖了你的身体表面，但也覆盖了你的体腔，并覆盖了你许多器官的内外壁。

Normally, after a cut and damage to the endothelium, or inner lining of blood vessel walls, there's an immediate vasoconstriction or narrowing of the blood vessel which limits the amount of blood flow.

正常情况下，血管壁内层的内皮细胞受到损伤后，血管会立刻收缩变窄，减少血流量。

Estrogen normally has a protective effect on the cardiovascular system helping keep the blood vessels' walls flexible to accommodate blood flow, as well as the skeleton, where it helps sustain bone density.

雌激素通常对心血管系统有保护作用，有助于保持血管壁的柔韧性以适应血流；对于骨骼，雌激素有助于维持骨密。

The two branes, which form the walls of the fifth dimension, could have popped out of nothingness as a quantum fluctuation in the even more distant past and then drifted apart.

两张膜构成了第5维的壁，很可能在更遥远的过去作为一个量子涨落产生于无，然后又飘散了。

Due to the greater stresses required and generated in the combustion of diesel, it is essential for their engines to have thicker walls and a better quality of componentry.

由于在柴油燃烧过程中需要和产生更大的应力，因此们的发动机必须具有更厚的壁和更好的组件质量。

The sound of something slashing through metal could be heard, and Jonah could only watch as a terrifying man-like reptile emerged a hole in the wall of the truck.

金属被划破的声音响起，乔纳只能眼睁睁看着卡车的货厢壁被打开一个洞，有一只可怕的人形爬行动物钻了出来。