preventive
US /prɪˈven.t̬ɪv/
UK /prɪˈven.t̬ɪv/
1.
dự phòng, ngừa
designed to keep something undesirable such as illness, harm, or accidents from occurring.
:
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preventive medicine
1.
phương pháp phòng bị, thuốc chống bịnh
a medicine or other treatment designed to stop disease or ill health from occurring.
:
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quinine was used as a malaria preventive