2016年8月21日托福詞匯機(jī)經(jīng)預(yù)測(cè)(考前必備)

    Repulse=driven back
    Exploit=make use of
    Strenuous=put more energy
    Aggregation=collection
    cluster=group
    Justifiable=rightful
    Implement=tool
    Perish=die
    Continuous=nonstop
    Vulnerable to=easier attack by