the International Baccalaureate™
noun🔊/ði ɪntəˌnæʃnəl bækəˈlɔːriət/
🔊/ði ɪntərˌnæʃnəl bækəˈlɔːriət/
[singular] (abbreviation IB)
an exam that is taken by students in many different countries in the world around the age of 18 or 19, and that includes up to six subjects 国际中学毕业会考（考生年龄约为 18 或 19 岁，最多考六个科目）