The average video length on YouTube is about 1.5 minutes while the average session time on YouTube is about 30 minutes.

YouTube上视频的平均长度是1.5分钟，YouTube网站用户的平均访问时间是大概30分钟。

youdao

Remarks: the session time for the above hydrotherapy treatments will be adjusted according to individual's physical condition, but specialists recommend that each session should not exceed 30 minutes.

注：以上各项水疗时间会因客人的不同体质而调节，但专家建议一定不可多于30分钟。

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Most people don't tan after just one day at the beach, or one session in the tanning bed, because it takes time to make melanin.

大多数人只在沙滩上玩一天或者使用晒黑床一段时间不会被晒成古铜色的皮肤，因为黑色素的合成是需要时间的。

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Wilson wasted no time. He immediately called a special session of Congress to act on Democratic campaign promises to reduce import taxes,or tariffs.

VOA: special.2010.09.23

Connecticut Democrat Chris Dodd noted that Thursday's vote will be only the second time the Senate will be in session on Christmas Eve since 1963.

VOA: standard.2009.12.24

But this time, Presiding Judge O-Gon Kwon moved quickly into session.

VOA: standard.2009.10.27

But instead of the high being made on the second day, it was actually hit on the third trading session this time around.

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If a student accepts, they have to fill out some paperwork and attend an orientation session some time in late November or early December.

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The regional court was in session at the time of the attack, witnesses said.

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