Enhancement is usually thick and irregular.

增强扫描通常是厚壁不规则强化。

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The dorsal scapular artery was usually thick and contributed to blood supply of a large region.

肩胛背动脉分支较粗大，供血区域较宽；

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Sputum comes from your lungs and is usually thick, while saliva comes from your mouth and is thin and watery.

痰来自肺部，并且通常很粘稠；而唾液来自口腔，是稀薄和水状的。

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Diesel derived from coffee is less thick and can usually be burned in an engine with little or no tinkering.

ECONOMIST: Monitor

Arctic sea ice is usually 1 to 3 meters, or as much as 9 feet thick.

CNN: Polar bears resort to cannibalism as Arctic ice shrinks