If the reaction took hours, and not seconds., the fuel costs would be prohibitive.
假如这一反应需要数小时而不是几秒钟，那么燃料成本就太高了。
For several seconds he did not reply.
一连几秒钟，他都没有回答。
The heartbeat rate should not be below eight seconds.
心跳率（heartbeat rate）不应低于8秒。
Three-second violation: an offensive player may not stand in the lane for three seconds.
三秒违例(three - second violation)：进攻球员在通道内不允许停留三秒。
Believe it or not, the attention span of the average person is about 30 seconds!
信不信由你，每个人的注意力广度平均值为30秒！
It did not fly for very long: only for 12 seconds.
长时间不飞：只是适合12秒。
Not yet. Maybe we should. In ten seconds.
没有。或许我们可以。十次以内。
They do not perform any transactions on your site and drop off within seconds.
他们没有在您的网站进行任何交易，并在几秒钟内下降了。
At least 60 seconds do not dry or pressure to the wound after painting.
涂上胶体后，最少在60秒内不要吸干或压迫伤口。
It's not important how long you do it, 5 seconds is enough.
你做多长时间都不是问题，5秒钟就足够了。
If five seconds after timing is over, then press the button will not display.
若五秒计时结束后，再按下按键也不会显示。
Tornadoes do not last long, anywhere from 20 seconds to an hour.
龙卷风持续时间很短，在任何地区都是从二十秒到一小时不等。
Sorry, page is not found , it will return to homepage after 5 seconds.
对不起，您现在访问的页面不存在，在5秒后将返回首页！
Sorry, page is not found , it will return to homepage after 5 seconds.
对不起，您现在访问的页面不存在，在5秒后将返回首页！
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