1·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.
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。
2·In front, the long thin cellular protrusion of the neuron extends, pauses, then drags the bulbous cell body behind it, then extends again, and so on.
前端，又细又长的神经元伸展的细胞突出停止，然后拖动后边的球状细胞，然后再次伸展，如此反复。
3·NIB : Green roller defect on the small end radius; caused by taper die failure. A sharp protrusion on the small end of the roller.
由于圆锥模具缺陷造成的半成品滚子小端倒角缺陷， 滚子小端有尖锐的突出。
4·When examining patient of lumbar protrusion of the intervertebral disc want the flesh before the examination is bilateral and tibial fibula to grow the flesh sural bowel flesh flesh that extend?
在检查腰椎间盘突出症患者时，通常要检查双侧胫骨前肌、腓骨长肌、腓肠肌、伸？
5·Results. We found a disc degeneration or disc protrusion in 41% (12/29) of the subjects, but there was no obvious compression of the dural sac.
研究结果：我们发现41%（12/29）的受试者存在椎间盘的突变或者突出，但都未明显压迫硬脊膜囊。
1·The protrusion turned out to be a bone.
原来那个突出物是一块骨头。
2·Low profile captive fasteners are ideal solutions when parent material thickness is not sufficient to countersink, but protrusion above the face of the panel must be kept to a minimum.
用于材质不够硬，而不能钻孔的时候，但材料表面的突出物必须最少。
3·But instead the researcher found something far more extraordinary: "As I examined the interior of the skull, my hand brushed across a tiny protrusion."
但取代之的是，该研究人员发现一些远更惊人的事实：“当我检验头骨内部，我的手刷过一细微的突出物。”