astonishing a.  very surprising； amazing

    stepped-up a.  increased in size， speed， or extent

    accelerate v.  （cause to） move faster 加速

    PHRASES & EXPRESSIONS

    conjure up cause to appear as a picture in the mind 使联想起

    labo（u）r along move slowly and with difficulty

    go by pass （ in place or time）

    feed on（of animals） live on （food）； draw strength， support or satisfaction from

    in turn in proper sequence or succession 依次，轮流，转而

    put to work apply

    PROPER NAMES

    Henry Ford亨利。福特

    Charlie Chaplin查利。卓别麟

    Bessemer贝西默（姓氏）