相关单词近義詞 external 外來的, extracurricular 課外的, additional 附加的, optional 任選的, vocational 職業的反義詞intramural, 校內的臨近詞Extradual, extra, extragalactic source, Extra early ripening, extraordinarily cold, extracellular signal, extramarital affairs, extracellular region, extraoral anesthesia, extragenic reversion, extra tax on profits, extra-far infrared相似詞extraditable, extradite, extrajudicial, extramarital, extraneous, extranet, extraordinaire, extraordinarily, 返回 extramural