51.dangerous=perilous(very dangerous, hazardous(dangerous, especially to people's safety and health)

　　52.nowadays=currently

　　53.only=unique(the only one of its kind), distinctive;

　　54.stop=cease(if something ceases, it stops happening or existing)

　　55.part=component(the components of something are the parts that it is made of)( h

　　56.result=consequence(the results or effects of something)

　　57.obvious=apparent, manifest

　　58.basedon=derived fromcan see or notice them very easily)

　　60.quite=fairly

　　61.pathetic=lamentable(very uncomfortable and disappointing)

　　62.field=domain(a particular field of thought, activities or interest)

　　63.appear=emerge(come into existence)

　　64.whole=entire(the whole of something)8

　　65.wet=moist(slightly wet), damp(slightly wet), humid(very damp and hot)

　　66.wrong=erroneous(incorrect or partly correct)

　　67.difficult=formidable

　　68.change=convert(change into another form)

　　69.typical=quintessential(this word means represent a typical example of something)

　　70.careful=cautious(very careful in order to avoid danger), prudent(careful and sensible)

　　71.ability=capacity, capability(the same as ability)

　　72.strange=eccentric(if some one is eccentric, s/he behaves in a strange way, or his/her opinion is different from most people)

　　73.rich=affluent(if you are affluent, you have a lot of money)

　　74.use= utilize (the same as use)

　　75.dubious=skeptical(if you are skeptical about something, you have doubts on it.)

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