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muscle contraction的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
muscle contraction的用法和樣例：
例句
- The heart muscles contract to expel the blood.
心臟肌肉收縮以擠壓出血液。 - When the muscle between the bones shortens, one bone has to move.
但當肌肉收縮時只有一塊骨頭運動。
