This kind of freely movable body-building equipment can make the young even vigorous and vital and the old youthful.

这类健身器具，活动自如，使青年人更朝气蓬勃，使老年人青春焕发。

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They think they're okay because they can get by on 6.5 hours, when they really need 7.5, eight, or even more to feel ideally vigorous.

他们认为自己的状态还可以，因为他们可以睡六个半小时来过活，即使实际上，他们需要七个半小时、八个小时甚至更长的时间，才能达到精力充沛的状态。

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Even when demonstrator hens reacted with obvious disgust to a specific food, via vigorous head shaking and bill wiping, there was no evidence that observers subsequently avoided eating that food.

即使是当作为演示的母鸡对某种特定的食物表现出明显的厌恶，比如使劲摇头和擦拭嘴，也没有证据表明它们随后会避免食用这种食物。

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The fact is, both companies and consumers have the financial capacity to fuel an even more vigorous economic expansion.

FORBES: Fact and Comment

Clearly, even more vigorous congressional efforts may be required if the executive branch and the allies are to be persuaded of U.S. commitment to defend bedrock American principles and values.

CENTERFORSECURITYPOLICY: Center For Security Policy

Some wines were aromatically reticent even after a vigorous swirl, so for those, I put my hand over the top of the glass and reswirled.

WSJ: The Art��and Science��of Swirling Wine | On Wine by Lettie Teague