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Fish could be sighted finning near the surface.

我们可以看露出水面。

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You owe me a fin.

你欠我美金五元。

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An automatic radiusing machine was developed to eliminate the burr or edge fin of bar end.

为了清除棒材在生产过程中产生的端部毛刺、飞边等缺陷,研制开发了棒材自动倒角机。

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The mainstructure parameters of spirally grooved tube are diameter of tube, fin pitch,corrugation depth, wall thickness, spirally angle and spira.

螺旋槽管(亦称螺纹管)是其中的一个重要分支,它是一种优良的高效异形强化传热管件。

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The male shows elongated rays in its anal fin and yellow pearl organs on the jaws and opercula during breeding season.

的臀鳍鳍条特长,交配季节两颌和鳃盖会长出色的珠星。

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Most fishes have unstriated rays along the anterior part of the dorsal and ventral edges (leading edges) of the caudal fin.

在大多数类的尾鳍,沿著背侧与腹侧缘的前部具有无条痕的鳍条。在一些中,例如鰕虎其有条痕的与无条纹的软条数量比在鑑定上是有帮助的。

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Based on analysis three general method for reducing roll: Bilge keel, anti-rolling, antiroll fins, prospect a few new method for reducing roll.

并且本文在比较其他减摇装置的基础上,展望了一些新型的减摇装置。

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Approximately thirteen seconds before impact, the Copperhead's laser light sensor becomes active, and it uses fins to guide itself to the laser light source.

在炮弹着地前大约13秒时的激光传感器启动,利用直尾制导攻击激光照射目标。

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Studies on heat exchanger aluminum fin precoat of air conditioner were reviewed. Six types of precoat as well as the application of hydrophilic precoat were described.

回顾了空调机热交换器预涂层铝散热片的研究概况,介绍了6种类型预涂层散热片材料的基本情况以及亲水性预涂膜散热片的应用效果。提出了该课题今后的研究方向。

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The lively and recognizable Tiger barb should never be kept with long-finned species, such as angelfish, gouramis, or Veiltail hybrids as they like to nibble at their fins!

不应将活跃而显眼的虎皮鳍长的种放在一起饲养,那些种例如有神仙、足或纱罗尾杂交-这是因为虎皮喜欢啃咬它们的

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自然百科

His only tools are his fins.

工具只有自己

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海洋 原声版

The first flap of a baby shark's fins.

幼年鲨鱼次拍打

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地球奥秘

Mudskippers try the same trick with their brightly coloured fins.

弹涂鱼用它们色彩鲜艳来玩同样把戏

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雅思听力

How many legs do they have? How many wings are there? Are there fins?

他们有多少条腿?有多少对翅膀?是否有鳍

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美国六十六

Their back ends, several with iconic tail fins, point toward the big Texas sky.

他们车尾朝着天空,其中几辆还装有极具标志性汽车尾翼。

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老人与海

He could see their wide, flattened, shovel-pointed heads now and their white-tipped wide pectoral fins.

他这时看得见它们那又宽又扁铲子形头,和尖端呈白色宽阔胸鳍。

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连线杂志

The reasons you have fins, is because these fins causes the rocket to be stable.

尾翼作用是保证火箭稳定。

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老人与海

He did not see the fin of the other.

他没有看见

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CNN 10 学生英语 2019年1月合集

The Pacific blue fin tuna is a sushi staple.

太平洋蓝鳍金枪鱼是寿司主食。

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老人与海

His dorsal fin was down and his huge pectorals were spread wide.

脊鳍朝下耷拉着,巨大胸鳍大张着。

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连线杂志

I have the freedom to create these kind of like eyebrows using these fin like pieces.

我可以自由地用这些部分创造这种类似眉毛东西。

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VOA常速英语(视频版)- 2023年合集

Dr. Deming examines the X-ray of a sea lion whose injured fin was corrected through surgery.

戴明医生正在检查只海狮 x 光片,这只海狮受伤通过手术得到了矫正。

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美国六十六

Their classic tail fins point to the wide Texas sky.

他们经典尾翼直指得克萨斯广阔天空。

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少儿动漫万用对白

What's wrong with his fin? -He looks funny.

是怎么了-他看起来很有趣。

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国家地理选编

They had, they had fins in various places.

这种动物长了很多

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海底两万里(原版)

The Nautilus slid downward on its slanting fins, still sinking.

诺第留斯跟它纵斜机板溜下去老是往下沉。

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VOA常速英语_娱乐

But as in any other sport confrontations happen usually with fins.

但就像在其他运动中样有对抗,对抗通常发生在脚蹼

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CNN 10 学生英语 2025年2月合集

Teeth, gills, vertebrae, or dorsal fin?

牙齿、鳃、脊椎骨还是背鳍?

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CNN 听力 2013年10月合集

The spines on their fins are filled with venom.

它们刺充满了毒液。

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PBS访谈环境系列

Ah, no I did not know anything about silver fin.

点都不了解银鳍。

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