元素灯，援引于美国加联，每个元素有其固定的激发波长，元素灯就是能激发固定波长的灯，能提供某一种或多种元素的波长，用于检测样品对某种波长的吸收度，从而确定此种元素在样品中的含量。
原子量小的元素及原子量大的元素都将用于制造液晶显示屏、紧凑型荧光灯及混合动力车的电池与风力涡轮机所用的坚固永磁体。
Both light and heavy elements go into making LCD screens, compact fluorescent bulbs, and the strong permanent magnets used in hybrid car batteries and wind turbines.
糖果和“不请客就捣乱”游戏，黑猫卡片、巫婆的扫帚、骷髅和南瓜灯都是万圣节必不可少的元素。
There is candy and trick-or-treating, of course, and lots of pictures of black cats, witches riding broomsticks, skeletons and jack o 'lanterns.
糖果和“不请客就捣乱”游戏，黑猫卡片、巫婆的扫帚、骷髅和南瓜灯都是万圣节必不可少的元素。
There is candy and trick-or-treating, of course, and lots of pictures of black cats, witches riding broomsticks, skeletons and jack o’lanterns.
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