英语翻译：
keel
【医】 ossa draconis
相关词条：
1.Carina 2.Dragon'sBone(false)keel 3.OsDraconis 4.fossiliaossismastodi 5.fossilbone
例句：
- 活动防浪板帆船上一活动龙骨，可以绕枢轴扯起以减少船在浅水的吃水深度
A movable keel in a sailboat that can be pivoted upward to reduce the boat's draft in shallow water.
- 运货船一种运货的河流用船，有龙骨但无帆
A riverboat with a keel but without sails, used for carrying freight.
- 船桅，桅杆一条高的（有时为分段的）垂直樯，从帆船的龙骨或甲板直立起来以支持帆和操纵装置
A tall vertical spar, sometimes sectioned, that rises from the keel or deck of a sailing vessel to support the sails and running rigging.
- 工人正在给那艘船安龙骨。
The workers are laying a keel of the ship.
分词翻译：
龙的英语翻译：
dragon; imperial
骨的英语翻译：
bone; character; framework; skeleton; spirit
【医】 bone; ossa; osteo-