a medium of instruction的用法和样例：
- English is not the usual medium of instruction in our school.
- The impact of English as a medium of instruction in universities is far reaching, especially in communities where English is not the first language for students.
- Language Studies Our school uses English and Chinese as a medium of instruction; role-playing, grammar games, puzzles and comprehension exercises are used during lessons to strengthen students'abilities in listening, writing, reading and speaking.
- English is the medium of instruction at UIC.
- The radio is a medium of communication.