continuancedauer, dieduration of timeduration timeendurance periodextended periodlastinglength of timepersistence timepersistencypersistent periodprolongationstandingtime durationtime lengthtime of duration持续: last; continue; sustain时间: time; hourqrs持续时间: qrs duration半持续时间: semiduration波持续时间: wave duration下载手机词典可随时随地查词查翻译