船龙骨先撞到岩石。
首先是蒸汽船，虽然1850年时蒸汽船最终取代了所有用来运载乘客和货物的船只，随后平底船和龙骨船仍然相当重要。
First came the steamboat; although flatboats and keelboats continued to be important until the 1850's steamboats eventually superseded all other craft in the carrying of passengers and freight.
在一篇文章中，一些中国学者被描述为“被神秘的龙骨象形文字吊胃口的人”。
In an article some Chinese scholars are described as being "tantalized by the mysterious dragon bone hieroglyphics".
这个问题仍然没有答案；事实上，根据所有证据，我们不能基于恐龙骨骼对恐龙生理学做出一个明确的声明。
This question remains unanswered; indeed, taking all the evidence into account, one cannot make a definitive statement about dinosaur physiology on the basis of dinosaur bone.
尽管de Ricqlès 极力主张谨慎对待，主张恐龙生理学的一种中间类型，但这一代古生物学家已经开始相信恐龙骨骼与哺乳动物相似。
Although de Ricqlès urged caution, arguing for an intermediate type of dinosaur physiology, a generation of paleontologists has come to believe that dinosaur bone is mammalian like.
尾端的花梗很细，包括三组龙骨。
The caudal peduncle is very slender and includes three sets of keels.
它是由朴次茅斯造船厂建造的，龙骨于1912年1月铺设。
It was built by Portsmouth Dockyard, and its keel laid in January 1912.
那就叫它龙骨翼板怎么样？
摇摆龙骨通常长，窄，重。
并在横梁上附加了龙骨和楼板搁栅。
帆船进入水的深度，从水平面到龙骨最低处测量。
The depth of a boat in the water, measured from the waterline to the lowest section of the keel.
因为通常不缺雨水，这里的农民都不预备龙骨水车。
Since usually no shortage of rain, farmers here are not prepared to keel water.
活动龙骨舱需要占据船只驾驶舱或卧舱的空间。
The centerboard trunk takes up space in the boat's cockpit or cabin.
帆船上的一种龙骨，可以从船底部(hull)升起或放下。
A type of keel on a sailboat that can be raised or lowered from the bottom of the hull.
作为一条通常规律，大部分20英尺以上的帆船使用固定龙骨。
As only a very general rule, most sailboats over 20-something feet have fixed keels.
迄今，在评估了轮胎设计后，我们选取了一种简单的V型龙骨。
After reviewing the wheel designs so far, we're going for a simple V-shaped keel.
可以通过部分提起活动龙骨板来更好的控制船身平衡。
The centerboard can be partially raised if needed to provide better boat balance.
应用于某些可用拖车运输的，没有重固定龙骨的帆船上的一个系统。
A system used in some trailerable sailboats without a weighted fixed keel.
在顺风航行时，可将活动龙骨板提起，以减少阻力，加快航速
帆船有许多种不同类型的固定龙骨，例如全龙骨(见上图)及鳍板。
Sailboats have many different types of fixed keels, such as full keels (see photo) and fin keels.
这位工作人员还说，碰撞事故发生后客轮上的乘客可以看到撞到船上的货轮的龙骨。
The keel of the boat which struck us came into the boat, on the right side. We could see the writing and details on the cargo ship.
这个房间就像是一个存放巨型化石的库房，可旋转的架子上堆满了恐龙骨骼。
The room is like a library of huge fossils, complete with rolling stacks full of shelves of dinosaur bones.
泰国法律中明确了恐龙骨骼化石是国家财产，不过那些发现者理应获得补偿。
Thai law classifies dinosaur bones as property of the state, though those who discover them are supposed to be compensated.
若你是在这个尺寸范围内寻购帆船，那你应该学习了解一下龙骨的这些基本类型之间的差别。
If you are shopping for a sailboat in this range, you should understand the differences between these fundamental types of keels.
摇摆龙骨的优点在于，当龙骨升起时，船只能在浅水航行，并减低在拖车上的高度。
The advantage of a swing keel is that, with the keel raised, the sailboat can go into shallow water and sits lower on a trailer.
固定龙骨和活动龙骨各有其优势和缺陷，当在其中进行选购时，确保你考虑了以下这些差异。
Fixed keels and centerboards each have their own benefits but also disadvantages. When deciding what type of boat to buy, be sure you have considered these differences.
她的老祖母头上戴着银子做的皇冠，正高高地站在王宫顶上；她透过激流朝这条船的龙骨了望。
She thought she could distinguish her father's castle, and upon it her aged grandmother, with the silver crown on her head, looking through the rushing tide at the keel of the vessel.
奥斯图公司在2005年10月获得了这艘舰艇的设计合同，并且于2006年1月铺设龙骨。
Austal USA won the contract to construct the impressive ship in October 2005 and her keel was laid down in January 2006.
但12到25英尺左右这一长度范围的帆船则既有使用固定龙骨，也有使用活动龙骨的。
But there is a wide range of boats from 12 to about 25 feet with either a fixed keel or a centerboard.
在使用活动龙骨的帆船上，活动龙骨的功能和固定龙骨一样，是防止船只被吹打得侧晃。
On centerboard sailboats, the centerboard functions like a keel to keep the boat from being blown sideways.
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