The fishermen know the approximate time of year when they will be allowed to fish, but on any given day, one or more field biologists in a particular area can put a halt to fishing.
渔民们知道一年中允许捕捞的大概时间段,但是在某些日子,一个地区可能有一个或多个实地生物学家中止捕鱼活动。
One of the effects of climate change in New Zealand is that there will be more extreme weather.
气候变化在新西兰的影响之一是会有更多的极端天气。
It will be more meaningful than buying one.
这比买一个更有意义。
At that rate,officials estimate that more than one hundred thousand people will be able to climb to the top each year.
VOA: special.2009.06.29
So yet once more -- and I promise this will be one of the last times that we look back at Milton's mask - but yet once more, let's look at Comus.
因此我们要再一次--我保证,这将是我们最后一次回顾弥尔顿所写的这出面具戏,不管怎么着,让我们再次回顾《科玛斯》
Sometime later, I will deal with functions of more than one variable, which I will briefly introduce to you, because that may not be a prerequisite but certainly something you will learn and you may use on and off.
再过段时间,我要开始处理多变量函数,到时候我会向你们进行简单介绍,因为那不是必须的,但是你们以后会学到,有时候还能派上用场
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