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A pectoral is a chest muscle — the big muscle on the front of your upper body that helps you move your arm across your chest. English speakers more often say pectorals (the pair) or (the gym word). As a describing word, pectoral just means “of the chest”: a pectoral muscle, a pectoral fin on a fish. In a gym or a biology class you will hear both. It is a bit more formal or technical than .
胸肌；胸部的
原始詞典資料10 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
pectoraladj/ˈpɛk.tə.ɹəl/
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Of or pertaining to the breast, or chest.
- the pectoral muscles
- Clad in red robes and a gold pectoral cross, Agostini finally lowered his gaze as he crossed the marble floor.
- 2
Relating to, or good for, diseases of the chest or lungs.
- But, in general, a few days' confinement, abstinence from flesh meat, and frequent sippings of some tepid pectoral drink, sufficed for the cure.
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biologynatural-scienceszoologyHaving the breast conspicuously colored.
- the pectoral sandpiper
pectoralnoun/ˈpɛk.tə.ɹəl/
- 1
A pectoral fin.
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Protective armor for a horse's breast.
- The Poitrinal, Pectoral, or Breast Plate was formed of plates of metal rivetted together, which covered the breast and shoulders of the horse, it was commonly adorned with foliage, or other ornaments engraved or embossed.
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A covering or protection for the breast.
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A breastplate, especially that worn by the Jewish high priest.
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ecclesiasticallifestylereligionA clasp, cross, or ornamental square of cloth etc. worn upon the breast.
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historicalAn ancient Egyptian item of jewelry worn upon the chest, often part of (or constituting) a necklace or collar.
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A medicine for diseases of the chest organs, especially the lungs.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。