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单词 Narcomedusae
释义

Narcomedusae

英汉-汉英词典
刚水母亚目
词组 | 习惯用语
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  • unaccustomed adj. 异乎惯例的;不习惯的
  • narcotization n. 麻醉,麻醉状态
Narcomedusae n. [无脊椎] 刚水母亚目
英语百科

Narcomedusae

The Narcomedusae are an order of hydrozoans in the subclass Trachylinae. Members of this order do not normally have a polyp stage. The medusa has a dome-shaped bell with thin sides. The tentacles are attached above the lobed margin of the bell with usually a gastric pouch above each. There are no bulbs on the tentacles and no radial canals. Narcomedusans are mostly inhabitants of the open sea and deep waters. They can be found in the Mediterranean in large numbers.

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