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duration + elapse
elapse 的主语通常是一段时间，表示时间流逝，多用于正式或书面语。
Several hours elapsed before the meeting began.
几个小时过去了，会议才开始。
（时间）流逝
elapses — third person singular of elapse
先理解核心含义，再看它在真实句子里的用法。
（时间）流逝
To pass or go by (of time).
Several hours elapsed before the meeting began.
几个小时过去了，会议才开始。
(时间)过去或流逝。
To pass or move by.
elapse
Base
原形
elapses
3rd person
第三人称单数
elapsing
-ing
现在分词
elapsed
Past
过去式
elapsed
Past participle
过去分词
Time elapses quickly when you are having fun.
当你玩得开心时，时间过得很快。
Several weeks elapsed before we received a reply.
几周过去了，我们才收到回复。
A decade has elapsed since the event.
自那件事以来，十年已经过去了。
规则动词，过去式和过去分词加-ed。
Time seems to elapse quickly when we are having fun.
当我们玩得开心时，时间似乎过得很快。
Several hours had elapsed before we received any news.
几个小时过去了，我们才收到任何消息。
As the years elapse, our memories of childhood fade.
随着岁月的流逝，我们对童年的记忆逐渐模糊。
elapse 的主语通常是一段时间，表示时间流逝，多用于正式或书面语。
Several hours elapsed before the meeting began.
几个小时过去了，会议才开始。
表示两个时间点之间的间隔。
A year elapsed between the two visits.
两次访问之间相隔一年。
常用现在完成时，强调从过去某时至今的时间量。
Only three months have elapsed since she left.
她离开才过了三个月。
Not this
The project elapsed three months.
Use this
Three months elapsed.
动词 'elapse' 是不及物动词，不能直接跟宾语。主语应是时间或时间段。
Not this
He elapses into silence.
Use this
He lapses into silence.
'elapse' 只表示时间的流逝，而表示陷入某种状态应用 'lapse into'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
时间流逝
As time elapses, our memories fade.
随着时间流逝，我们的记忆逐渐模糊。
岁月流逝
Many years elapsed before they met again.
许多年过去了，他们才再次相见。
几个小时过去
Several hours elapsed before the doctor arrived.
几个小时过去了，医生才到。
随着时间流逝
As time elapses, the situation improves.
随着时间的推移，情况有所改善。
Use elapses naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 “e-” 像时钟指针，“lapse” 意为滑落，指针滑过一圈，时间就“elapse”了。
语域：formal 常见场景：time、formal writing 通常用于正式或书面语境，表示时间的流逝。
Elapse is always intransitive; it does not take a direct object.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.