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    1. dorsal

      英 ['d??s(?)l] 美['d?rsl]
      • adj. 背部的;背的,背側(cè)的
      • n. (Dorsal)人名;(西)多薩爾

      IELTSGRETOEFL擴(kuò)展詞匯

      中文詞源


      dorsal 背部的

      來自拉丁語dorsum, 背,詞源同endorse.

      英文詞源


      dorsal
      dorsal: see doss
      dorsal (adj.)
      early 15c., from Old French dorsal (14c.) or directly from Medieval Latin dorsalis, corresponding to Latin dorsualis "of the back," from dorsum "back," which is of uncertain origin.

      雙語例句


      1. a shark's dorsal fin
      鯊魚的背鰭

      來自《權(quán)威詞典》

      2. His dorsal fin was down and his huge pectorals were spread wide.
      它的脊鰭朝下耷拉著,巨大的胸鰭大張著.

      來自英漢文學(xué) - 老人與海

      3. There are usually no dorsal pores in the first few intersegmental grooves.
      身體前幾個節(jié)間溝內(nèi)經(jīng)常無背孔.

      來自辭典例句

      4. The heart is dorsal and is provided with paired ostia.
      心臟位于背方,有一對心門.

      來自辭典例句

      5. Only the dorsal lip of the blastopore could induce altered development in the host.
      只有胚孔的背唇能夠誘導(dǎo)宿主發(fā)育的改變.

      來自辭典例句