弥留: [书面语] be dying 短语和例子弥留遗言 words uttered when there is no hope of recovery; 弥留之际 on one's deathbed; in the hour of death; on the point of death; lying in a coma
许久: (for) a long time; for ages; for long 短语和例子许久以前 a long time ago; 他在这儿等了许久。 he has been waiting here for a long time
弥留遗言: words uttered when there is no hope of recovery