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）