VOA慢速英语:柏林墙是冷战最伟大的象征符号

crumble –v. to fall apart into small pieces

order –n. a religious group whose members usually live together and promise to follow certain rules

deaconess –n. a woman in a Christian church who has special duties

symbol –n. an object that represents an idea

comprehension –n. ability to understand something

miracle –n. an unusual or wonderful event caused by God