释义 |
extra- extra- /ek.strə-/ prefix ► F0 outside or in addition to: » extraterrestrial beings (= imaginary creatures which come from outside the planet Earth)» an extramarital affair (= a sexual relationship of a married person with someone other than their husband or wife)» extracurricular activities (= activities which are not part of the usual school or college course)Thesaurus+: ↑Also, extra, and in addition |