The combination of low pressure on one side and high pressure on the other creates a drag force that must be overcome — a significant waste of energy.

为此，必须浪费大量能源以克服压力差产生的拉力。

youdao

Despite their "natural" origins, they are not free of potential side effects, such as high blood pressure, digestion trouble, fertility problems and depression.

尽管它们来源于“自然界”，但它们不能摆脱潜在的副作用，如高血压，消化麻烦，生育问题和抑郁症等。

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The levels were high enough to cause serious side-effects, including heart and blood pressure problems.

它们在加伊健中的高剂量足以引发心脏病和高血压等严重副反应。

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Also,their risk of side effects such as glaucoma, high blood pressure and edema, or swelling in the legs,was reduced.

VOA: special.2010.06.23

In the study,patients who received lower doses of steroids by mouth spent less time in the hospital, and their risk of side effects such as glaucoma, high blood pressure and edema, or swelling in the legs, was reduced.

VOA: standard.2010.06.21

Arsenal thrashed Everton 6-1 on the opening day of the season but a repeat of that scoreline was never on the cards as a committed Toffees side put pressure on the ball high up the pitch, giving Arsenal no time to settle.

BBC: Arsenal 2-2 Everton