"The fight against terrorists and violent extremists has been returned to its right and proper place -no longer defining, indeed,distorting, our entire national security and foreign policy, but rather serving as a vital part of those larger policies,"
VOA: standard.2009.08.06
It's very important because it provides-- does provide energy but it helps with muscle building and with the manufacturing the body does of its own proteins, and therefore, is a vital part of the diet.
蛋白质非常重要,因为它能提供,的确能提供能量,但它也能帮助肌肉塑形,参与身体内自身蛋白的合成,因此是饮食中不可或缺的组成部分
And now with Antarctic science being really a global science and part of understanding how the world works, it is becoming really vital that everybody works together."
VOA: special.2009.06.03
应用推荐