这个新的金字塔进来12版本取决于一个人的活跃性和热量的需要。
The new pyramid comes in 12 versions, depending on a person's activity level and caloric need.
素食可能无法提供一名孩子正常成长所需要的足够热量。
A vegetarian diet may not provide enough calories for a child's normal growth.
一是2000卡路里是常人所需的平均值,但人们需要的热量是大大不同的。
One is that 2,000 calories are the average for the typical person, but people have greatly differing calorie needs.
However, the thing to remember is, when you look at heats of reaction under those conditions it's all well and good.
相反,需要记住,当你需要知道反应中放出的热量时,这些量是很有用的。
One is that 2,000 calories is the average for the typical person, but, of course, people have greatly differing calorie needs.
一是2000卡路里是常人所需的平均值,当然,人们需要的热量是大大不同的
get back to the initial point is going to require some input from outside, like heat or extra work or extra heat or something because you've done an irreversible process.
如果要逆转它,回到初始点,就需要外界的投入,比如额外的功,额外的热量等等,因为你进行了一个不可逆过程。
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