No sooner thought upon than done. There I lay on my elbows, in the most trying attitude, and every now and again gave a weak stroke or two to turn her head to shore.
说干就干，我支起胳膊时躺在那里，用最别扭的姿势不时轻轻划上一两桨，使船头转向岸边。
Pulse pressure was a weak predictor of stroke, except when age was removed from the calculations, when it became more important than diastolic and mean blood pressure as a predictor of stroke.
脉压对中风预测作用较弱，当年龄因素排除在外计算时，它对中风的预测作用就变得比舒张压和平均压重要了。
Behind these were forced, often weak and right channels of the scarcity of relief, failure, lack of proper care, help, had by way of non-normal risk of a stroke.
种种被逼无奈的背后，往往是弱者权利救济渠道的稀缺、失效，得不到应有的关怀、帮助，只好通过非正常方式冒险一搏。
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