preventive
UK [prɪ'ven.tɪv] US [-tˌɪv] (also preventative)
adjective [before noun]
ADVANCED
■intended to stop something before it happens 防止的，预防的•In the past 10 years, preventive measures have radically reduced levels of tooth decay in children.过去十年内，预防措施大大降低了儿童龋齿的发生。 •preventative medicine预防药物 |