He succeeds by dint of sheer hard work.他完全是凭借着努力工作取得了成功。They overcame all kinds of difficulties by dint of an indomitable spirit.他们凭仗着顽强不屈的精神克服了重重困难.He succeeded by dint of hard work.他靠苦干获得成功....
NASA has started a 10-year search for extraterrestrial intelligence.美国航空航天局已经启动了一个为期10年的寻找外星人的项目。One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.地球外存在生命的理论是...