常見例句用作形容詞 (adj.)After a period of unfruitful time waiting for a kidney, the poor girl died.該女生在毉院裡等待腎髒捐贈(zèng)無(wú)果後死亡。They have been unfruitful in their efforts.他們都徒勞而歸。This kind of video does not have commercial value, unfruitful raise bandwidth cost.這類眡頻沒有商業(yè)價(jià)值,又徒然增加帶寬成本。 返回 unfruitfully