At the beginning of a speech, it is very important to grab the audience's attention and make them interested in what you have to say.
在演讲开始的时候,吸引听众的注意力,让他们对你要说的话感兴趣是非常重要的。
There can be a supply of them, a storehouse of them that can build up in the body, and so day-to-day fluctuations become less of a problem with fat soluble then water soluble vitamins, because the body can go grab them from a storage depot, if you will.
从而在体内建立起一个供应源,一个脂溶性维生素仓库,这样一来,相比起水溶性维生素,脂溶性维生素的浓度不会每天剧烈波动,因为机体可以任意取用体内的储存
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