环境条件有变化吗?
出发去机场之前核实一下航班起飞时间是否有变化,这是明智的做法。
It's wise to check whether the flight times have changed before you leave for the airport.
由于睡眠时呼吸道中的气流阻力更大,并且用于呼吸的肌肉效率有变化,所以在睡眠时呼吸需要用两倍的力气。
It takes twice as much effort to breathe during sleep because of greater resistance to airflow in the airways and changes in the efficiency of the muscles used for breathing.
So the reasons for this really enormous shift in plans, and the enormous shift in subject matter, are worth exploring.
弥尔顿的计划变化为何如此之大,他对主题的选择为何有这么大的改变,是值得探究的。
So I think there's just a lot of progressive thought in San Francisco, a lot of people pushing for changes.
旧金山有很多进步思想,很多人一直在推动着变化的发生。
Our temperature probably fluctuates during the day a little bit anyways, it's not very accurate. And similarly, the boiling point, defining that at a 100 degrees Celsius well that depends on the pressure.
这就不太精确,我们的体温一天之中,会有高低的变化,这一定义不够精确,类似的,我们把水的沸点定义为。
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