1·If it's so easy to get your protein in food, why add more in the form of powders, snack bars or a boost at your local juice bar?
如果从食物中获取蛋白质如此容易，为什么要以粉末、小吃店或当地果汁吧的形式补充更多蛋白质呢？
2·If it's so easy to get your protein in food, why add more in the form of powders, snack bars or a boost at your local juice bar?
如果从食物中获取蛋白质如此容易，为什么在你当地的果汁店还要用粉末、零食棒或强心剂来添加更多呢？
3·First indicators may be the sudden appearance of powders, liquids or strange smells within the building, with or without an immediate effect on people.
第一手迹象可能只是建筑物内突然出现的粉末、液体或奇怪的气味，对人员伤害不一定显著。
4·Some 3D printers spread metal powders on the print table and sinter the pattern with lasers or electron beams, rather than using masks.
比如一些3D印刷机在印刷台铺撒金属粉末之后，采用露光模板以外的激光或电子束方式进行热凝处理来产生样模。
5·The team has been developing a new approach to the problem: lasers made of ceramic powders that are pressed into spark-plug sized cylinders.
针对这个问题，该团队已经开发出一种新方法：将由陶瓷粉末制成火花塞大小的激光器压入汽缸中。