The military machine is ready to change its defensive posture to one prepared for action.

军事当局已准备从防御态势变为备战态势。

《柯林斯英汉双解大词典》

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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"I think we're on a very good path to making a sea-change in our missile defense posture within the coming three-to-five years."

VOA: standard.2010.03.26

But we are not -- we have no plans to change our posture.

WHITEHOUSE: Press Briefing

That means the CIA itself must change its posture.

CENTERFORSECURITYPOLICY: Center For Security Policy

Annan said he recently urged al-Assad "to radically change his military posture, " saying the government has the prime responsibility to halt the violence.

CNN: 'Audacious steps' needed in Syria, Arab diplomats say