VOA慢速英语:巨大的机器在寻找宇宙中最小的部分

antimatter – n. molecules formed by atoms consisting of antiprotons, antineutrons, and positrons

ring – n. something that is shaped like a circle

proton(s) – n. a very small particle of matter that is part of the nucleus of an atom and that has a positive electrical charge

site(s) – n. a place that is used for a particular activity

electron – n. a very small particle of matter that has a negative charge of electricity and that travels around the nucleus of an atom

beam(s) – n. a line of energy or particles that cannot be seen

focus(ed) – v. to cause something, such as attention, to be directed at something specific

squeeze(s) – v. to press together the parts and especially the opposite sides of something

opportunity – n. an amount of time or a situation in which something can be done