Then I noticed a tail fin missing and I realized what was happening.
当我看到一片尾翼飞了出去我才意识到眼前发生了什么。
A tail fin with the red and white national colors of Poland stuck up from the debris.
涂有波兰国旗颜色红白两色的尾翼在废墟中显得很突兀。
A tail fin, for example, has many different types of cells and is a very intricate structure.
一个尾鳍，例如有许多不同类型的细胞，是一个很复杂的结构。
The flapping mechanism adopts a parallel quadrilateral connecting rod mechanism to lead the tail fin of the robotic fish arranged on a tail fin frame to make periodic translational motion.
该拍动机构采用平行四边形连杆机构使安装在尾鳍架上的机构鱼的尾鳍作周期 性的平移运动。
The tail fin is significant because it is a major structural component, whose failure has contributed to past crashes.
尾翼意义重大的原因在于它是一个主要的结构部件，过去许多坠机事件都与尾翼失灵有关。
Its oxymoronic-sounding name alone conjures up visions of a shark from a Disney movie—a fluffy, fun little animal that wags its fin like Pluto wags its tail.
仅仅是它那形象的名字就足以让我们想到一部迪士尼电影中的一条鲨鱼--一只毛茸茸的有趣的动物，抖动起鱼鳍来就像冥王星拖着长长的尾巴。
The apparatus consists of a single board microcomputer, propeller type velocity sensor, tail fin type flow direction sensor and corresponding interface circuits and software.
该仪器以单极微机为核心，配置旋浆流速传感器、尾舵式流向传感器、相应的接口电路和软件。
Yet many fish can still swim even if most of the tail fin is a bitten or cut off.
然而，许多鱼类仍然可以游泳，即使大部分的尾鳍是一个咬伤或切断。
The fuselage is round and tapered front and rear with a pointed nose and tail cone and a belly fin.
圆形机身和锥形前部和尾部采用一个尖形前鼻和尾锥和一个腹鳍。
The tail flats feature swept-back tips forward of the swept-back and tapered fin with a blunt tip.
尾平翼特征是顶端有一个上端后掠的垂直安定翼和锥形尾垂翼具有一个钝形顶端。
The tail flats are high-mounted, swept-back with a swept-back and tapered fin.
后掠上置尾垂翼连同一个后掠锥形尾平翼。
If a zebrafish loses a chunk of its tail fin, it'll grow back within a week.
假如失去一整块的斑马鱼尾鳍，但一个星期后就会成长。
For the first 3-6 months, you really shouldn't worry about turning or doing maneuvers, so whether your board is a swallow tail or a pintail or even if it only has one fin is really pointless.
开始的3 - 6个月里，你不用过于担心转弯和制动，因此不管你的板子是燕型板尾，鸭尾型或者只有一个尾鳍这都不是要点。
The humpback has a small dorsal fin located towards the tail flukes about two-thirds of the way down its back.
驼背鲸有一个较小的背鳍，大约是背部三分之二接近尾部的中央。
Crucian carp shouted, and forced to jump up, this time with a twelve component, even the tail and pectoral fin tip is very up.
鲫鱼大声喊着，又用力向上跳，这回用了十二分力，连尾巴和胸鳍的尖端都挺了起来。
The tail boom tapers from the main body to the swept-back, tapered fin with a rotor on the right. Two flats are mounted on the both side of the boom.
尾梁从机身渐细到后掠尾垂翼，尾螺旋桨在锥形尾垂翼右侧，二个尾平翼被装在尾梁两侧。
The important role of tail fin of a fish in swimming is to produce a thrust.
鱼类游动时尾鳍的重要作用是产生推力。
The important role of tail fin of a fish in swimming is to produce a thrust.
鱼类游动时尾鳍的重要作用是产生推力。
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