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单词 arachnida
释义

arachnida /ə'ræknidə/

英汉-汉英词典
n. [动]蛛形纲
词组 | 习惯用语
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  • archangel n. 天使长;大天使 n. 阿尔汉格尔斯克
  • arachnid n. 蛛形纲动物 adj. 蛛形纲动物的
  • cnidarian 刺胞动物
  • arachnoid adj. 蛛网状的;蛛网膜的 n. 蛛网膜

网络短语:
arachnida class arachnida 蛛形纲
arachnida antivenin 抗蛛形纲毒血清
class arachnida 蛛形纲
中文百科

蛛形纲 Arachnid

(重定向自Arachnida)
Basic characteristics of arachnids include four pairs of legs (1) and a body divided into two tagmata: the cephalothorax (2) and the abdomen (3)
Trombidium holosericeum (a mite)

蛛形纲(或蜘蛛纲,学名:Arachnida)是节肢动物下的一个纲,有65,000~73,000左右的物种,包括了蜘蛛、蝎子、壁虱、螨等。蜘蛛、蝎子等常被大众误解为昆虫,虽然同属节肢动物门,可是它们都独立于昆虫纲,属于蛛形纲。蛛型目动物的特征是拥有八条腿,身体也不同于昆虫,分为头胸部和腹部两部分,而且也不用像昆虫一样经过卵、幼虫、蛹到成虫的阶段,蛛形纲动物的卵一孵化就是跟成体一样的小蜘蛛了。蛛形纲动物大多在陆地生活,大部分为肉食性。有一些的蜘蛛和蝎子有毒,主要用作自卫及捕猎用途,但大部分的蛛形纲都是无毒的。

英语百科

Arachnid 蛛形纲

(重定向自Arachnida)
Basic characteristics of arachnids include four pairs of legs (1) and a body divided into two tagmata: the cephalothorax (2) and the abdomen (3)
Trombidium holosericeum (a mite)
Ixodes hexagonus, a tick

Arachnids are a class (Arachnida) of joint-legged invertebrate animals (arthropods), in the subphylum Chelicerata. All arachnids have eight legs, although the front pair of legs in some species has converted to a sensory function, while in other species, different appendages can grow large enough to take on the appearance of extra pairs of legs. The term is derived from the Greek word ἀράχνη (aráchnē), meaning "spider".

近义、反义、联想词
近义词
n.
class

英英词典
arachnida n.
  1. a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

  2. synonymous: class Arachnida
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更新时间:2025/6/17 9:13:56