游客在哈哈屋博物馆笑解烦忧 A new museum of laughter in Croatia is offering to help people deal with the negativity of modern life.

黄石：世界上第一个国家公园 Yellowstone National Park in the western United States was the world’s first national park.

托马斯·爱迪生：发明家与忙碌的团队领导者 The inventor Thomas Alva Edison had a major effect on the lives of people around the world.

威斯敏斯特养犬俱乐部狗展，犬展界的“超级碗” At America’s 149th Westminster Kennel Club dog show, Monty the giant schnauzer won the top prize.

美国发明家：火箭科学家罗伯特·戈达德 Today rocket launches and space missions are common.

固特异飞艇已经在美国上空飞行了100年。 The Goodyear Blimp is an airship that is also a traveling advertisement for the Goodyear Tire & Rubber Company.

“全神贯注”的重要性 And now, Words and Their Stories, from VOA Learning English.

自由女神像：近150年来“照亮世界” The Statue of Liberty has served as the guardian of New York Harbor for nearly 150 years.

技术提示：如何在手机上阻止位置跟踪 Smartphones have become valuable tools for helping to organize our lives.

扩展、扩大等等。 This week on Ask a Teacher, we answer a question from Ann in China.