on probation〔介词〕作为见习,察看详细»
on probation〔名词〕试用详细»
试用experiment on;experiment upon;experiment with;gave a trial;give a trial;shakedown;tryon详细»
试用on probation;trial;tryout详细»
试用gave a trial;give a trial详细»
试用on probation;shakedown;tryout详细»
试用on probation;shakedown;try on;tryon;tryout详细»