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 Acarina
 □目; □蜱目

 Ac·a·ri·na /ˌækəˈraɪnə, ˈrɪ-/ 名詞 複數

 A·rach·ni·da n. pl.  Zool. One of the classes of Arthropoda. See Illustration in Appendix.
 Note: ☞ They have four pairs of legs, no antennæ nor wings, a pair of mandibles, and one pair of maxillæ or palpi. The head is usually consolidated with the thorax. The respiration is either by trancheæ or by pulmonary sacs, or by both. The class includes three principal orders: {Araneina}, or spiders; {Arthrogastra}, including scorpions, etc.; and {Acarina}, or mites and ticks.
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 Ac·a·ri·na prop. n. pl.  Zool. The order of Arachnida which includes the mites and ticks.  Many species are parasitic, and cause diseases like the itch and mange.
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 Acarina
      n : mites and ticks [syn: order Acarina]