呼吸时头部的上下起伏要控制在最小幅度，同时要保持呼吸前的体线不变。

A breathing position which minimizes the up and down movement of the head and maintains a proper body line.

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即使是气候变化带来的最小幅度的温度升高，也可能使亚马逊热带雨林遭受灾难性的破坏。

The Amazonian rainforest is likely to suffer catastrophic damage even with the lowest temperature rises forecast under climate change.

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最振奋人心的消息莫过于在4月到5月之间S&P/Case-Shiller （美国房价的领先衡量标准）20大城市房价指数仅下跌0.2%，是两年来最小幅度。

One of the most encouraging bits of news is that the S&P/Case-Shiller 20-city index of house prices fell just 0.2% between April and May, the smallest fall in two years.

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