单词乎

be on guard

音标[bi: ɔn ɡɑ:d]
be on guard是什么意思、be on guard怎么读

be on guard汉语翻译

释义防范;惕励;惕历;

be on guard例句

    BE ON GUARD
    Be on guard
    On guard vehicle safety warning system
    Strenthen the prophylaxis and treatment to AIDS and pevfect systems in order to be on guard to new public bealth event
    Heating chamber with insulative shield panel and electric heating panels mounted on guard frames
    Clip-on guard
    Be on Guard with Technical Risks and Managerial Mistakes in Electronic Administration
    Be on guard for Palmer amaranth
    Be on guard for white mold
    As swine flu marches on, be on guard for other bacterial bugs
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