They're looking for a change known as "barrel chest," which describes a particular posture and body shape that tends to develop as a secondary symptom of COPD.

他们在找一种叫做“桶状胸”的病变，它描述的是一种趋向于演化为COPD次要症状的特别的身体姿态或形状 .

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Why? They're looking for a change known as "barrel chest, " which describes a particular posture and body shape that tends to develop as a secondary symptom of COPD.

他们在找一种叫做“桶状胸”的病变，它描述的是一种趋向于演化为COPD次要症状的特别的身体姿态或形状 .

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Look down with your eyes, your best head position should be similar to your natural posture when you are out of water looking straight ahead.

眼睛向下看，最佳的头部位置应当和你在水上自然平视的姿势差不多。

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Governments don't have a monopoly on it, and we can't -- you can't judge the intentions of another country by looking at its force -- like by looking at its force posture.

WHITEHOUSE: VP's Remarks to London Cyberspace Conference

Amid the withdrawal from Afghanistan and the broader drawdown in the U.S. military, the Obama administration appears to be showing the kinder-gentler U.S. posture abroad that some have been looking for.

FORBES: How The U.S. Military Can Use Sequester Cuts To Its Advantage