The particular design of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite.

海龟颈部和四肢的肌肉及骨骼的特殊设计使它能把暴露在外的部分缩回去，这样攻击者只能去咬坚硬的外壳。

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Your body is young, so it has strong muscles and bones.

你的身体很年轻，因此肌肉和骨骼很结实。

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Larson is trying to understand how the muscles and bones in the monkey allow Parker to walk - badly, a sort of high-stepping goosestep, but walk nonetheless.

拉森是想了解猴子的肌肉和骨骼如何让帕克能行走，虽然像鹅步那样不怎么好看，但仍然算是在走路。

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Verrocchio told his students that they needed to understand the body's bones and muscles when drawing people.

VOA: special.2010.09.15

Their clothes show the bones and muscles underneath.

VOA: special.2010.05.31

For cardiovascular exercise, weight-bearing, higher-impact activities such as walking, jogging and aerobics are better than nonweight-bearing or lower-impact exercise such as swimming, cycling and elliptical machines, which put less strain on your muscles and bones.

CNN: How much weight is needed to strengthen my bones?

Just as DARPA and other humanoid robot developers have drawn on biology for design inspiration, the agency hopes that robotic actuation can approach the efficiency of human and animal actuation where muscles, tendons, and bones cooperate in highly efficient ways.

FORBES: DARPA's New Challenge: Increase Robotic Power Efficiency By 2,000 Percent

While most people who carry the gene do not experience any health problems, it can lead to acromegaly - a condition in which a benign enlargement of the pituitary gland causes excess growth of muscles, cartilage and bones.

BBC: Scientists testing for Northern Ireland 'giant gene'