hithertoKK [ˋhɪˏðɝˋtu] /ˈhɪˌðɝˈtu/发音副词1迄今、至今、到目前为止正式The new evidence challenges a theory hitherto accepted by most scholars.这项新证据挑战了迄今为大多数学者所接受的理论。2在此之前、在那之前正式The merger opened markets hitherto closed to foreign investors.这桩并购打开了在此之前对外国投资人封闭的市场。用这个字练口说→