fin spine

常見例句

雙語例句

• Each fin has a stiff spine.
  每一個魚翅都有一根硬刺。
• Named by a 19th-century naturalist, "coelacanth" comes from the Greek for "hollow spine"—a reference to the hollow spines that are part of its fin structure.
  腔棘魚（coelacanth）由一位十九世紀(jì)的博物學(xué)家命名，這個詞來源于希臘語“空心的刺”——指的是它的鰭的一部分由空心的刺構(gòu)成。
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