Patients are encouraged to engage in light activity while at home after surgery.

病人手术后回到家中应该尽量做一些轻微的活动。

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Horseshoe crabs kept in the dark continuously for a year were found to maintain a persistent rhythm of brain activity that similarly adapts their eyes on a daily schedule for bright or for weak light.

人们发现，连续一年被关在黑暗的环境中的鲎仍然可以保持稳定的大脑活动节奏，这种稳定的节奏也使得它们的眼睛适应每日或明或暗的光线。

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Acute coronary syndrome can describe chest pain you feel during a heart attack, or chest pain you feel while you're at rest or doing light physical activity (unstable angina).

急性冠脉综合征可以被描述为心脏病期间感受到的胸痛，或者在静息状态或者在做轻体力活动时感受到的胸痛(不稳定性心绞痛)。

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Now, as that momentary pause has stretched out to over a month of light trading activity, Tomczyk is suggesting that the caution is more systemic.

FORBES: Does Low Trading Volume Indicate Caution, Or Missed Opportunities?

The testimony shed no new light on activity being carried out at the compound or why Stevens was there the night of Sept. 11 when we know he feared for his safety.

CENTERFORSECURITYPOLICY: A hard slog to get Benghazi answers

While this perceived lack of protection for investors is bad enough in itself, it becomes an even more significant issue in the light of rogue activity by dishonest or bogus organizations.

FORBES: Is Kickstarter A Viable Platform For Business Startups?