precautionary
adjective /prɪˈkɔːʃənəri/
/prɪˈkɔːʃəneri/
- done in order to prevent problems or to avoid danger
预防措施;预防;防备 - He was kept in the hospital overnight as a precautionary measure.
为了谨慎起见,他被安排整晚留院观察。
- He was kept in the hospital overnight as a precautionary measure.