keep a watchful eye on the bridges keep a stiff upper lip là gì Learn how microwave sensors can detect damage in bridges by measuring their vibrations and resonances. This passage is from an IELTS Data Reading test with questions and answers
keep running Keep Running is a popular game-variety show on Zhejiang Television, where celebrities compete in missions and races. It is a spin-off from the South Korean show Running Man, and has been broadcast since 2014 with different cast members and locations
apple a day keeps the doctor away Learn how this proverb evolved from a Welsh saying to a scientific maxim in the late 19th century. Discover the medical benefits of apples and the sources of the proverb in newspapers and books
