1.
Denny-Brown stabilizer
一种由陀螺仪控制船两侧鳍板的减摇装置
2.
marine worms resembling the sagittas but with a broader body and only one pair of lateral fins.
海洋蠕虫的一个属，与箭虫相似，但有较宽的身体及一对侧鳍。
3.
The results of seakeeping experiments in regular head waves arepresented for a model fitted with nine types of fixed bow fins.
试验表明,首鳍使侧壁式气垫船的纵向耐波性能有明显改善。
4.
any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth.
毛颚类动物的蠕虫；透明的海生蠕虫，侧部水平，有尾鳍，嘴巴每侧有可卷曲活动的一排棘刺。
5.
For example, they divided the design of a fish into head, body and fins, alternating straight lines with curves, triangles and circles.
他们把一条鱼的侧面分割为鱼头、鱼身、鱼鳍几部分，用直线、孤线、三角形和圆圈等来表现，
6.
"It grows to about 25 in. (63 cm) long, has a stout Body, flat head, Broad tail fin, and wrinkled sides, and is typically Brownish gray with Black spots."
体粗壮,长约63公分,头扁,尾鳍宽,体侧有纵肤褶。多为淡褐灰色,带黑色斑点。
7.
They have body fins and tail fins.
他们有身体鳍和尾巴鳍，
8.
an anal [dorsal, pectoral, ventral] fin
尾 [背,胸,腹] 鳍
9.
New technique for adjustment at zero position of fin-angle of shaking-reducing fin in the fin case
鳍箱内减摇鳍鳍角零位调整的新工艺
10.
Watch some fish @flying@ through the water.
看鳍刺“飞”过水面。
11.
"It has one dorsal and one anal fin, Both long and Both connected to the rounded tail. "
背鳍和臀鳍各一,形长,均与尾鳍基部相连,尾鳍圆形
12.
a teleost fish with fins that are supported by sharp inflexible rays.
硬骨鱼，鳍由尖而硬的鳍刺支撑。
13.
fish having greatly elongated front rays on dorsal and anal fins.
背鳍和尾鳍上有很细长的触须的鱼。
14.
teleost fishes having fins with sharp bony rays.
硬骨鱼类，其鳍有锋利的鳍刺。
15.
One of the bony spines supporting the membrane of a fish's fin.
鳍刺支持鱼鳍膜的骨状刺之一
16.
an order of spiny-finned fish in the superorder Acanthopterygii.
棘鳍类总目中刺状鳍鱼类的一个目。
17.
lateral buds, shoots, branches, etc
侧芽、 侧条、 侧枝.
18.
propel oneself through the water in a finning motion.
在水中挥动鳍以前进。