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1.The dog's front leg muscles were sore from running.
这只狗的前腿肌肉因为跑步而酸痛。
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2.The athlete's front leg muscles were noticeably stronger than his back ones.
这位运动员的前腿肌肉明显比后腿肌肉强壮。
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3. The scientist examined the muscle tissue of the animal to study its growth and development.
科学家检查了动物的肌肉组织,以研究其生长和发育。