1
overran + noun phrase (place/organization)
The army overran the enemy camp within hours.
军队在几小时内就占领了敌方营地。
大举入侵
先理解核心含义，再看它在真实句子里的用法。
大举入侵
invade in great numbers
The army overran the enemy camp within hours.
军队在几小时内就占领了敌方营地。
overrun的过去式
v invade in great numbers；v occupy in large numbers or live on a host；v flow or run over (a limit or brim)；v seize the position of and defeat；v run beyond or past
overrun
Base
原形
overruns
3rd person
第三人称单数
overrunning
-ing
现在分词
overran
Past
过去式
overrun
Past participle
过去分词
The virus overruns the computer system.
病毒侵占了计算机系统。
The army overran the enemy camp.
军队占领了敌方营地。
The river overran its banks during the storm, flooding the nearby fields.
暴风雨期间，河水漫过了堤岸，淹没了附近的田野。
After the heavy rain, weeds overran the entire garden.
大雨过后，杂草长满了整座花园。
Fans overran the stadium after the concert ended.
音乐会结束后，歌迷们挤满了体育场。
The army overran the enemy camp within hours.
军队在几小时内就占领了敌方营地。
常用于表示时间或金钱的超出。
The project overran its budget by $50,000.
该项目超出预算50,000美元。
Not this
The garden was overran with weeds.
Use this
The garden was overrun with weeds.
被动语态中应使用过去分词 overrun，而非过去式 overran。
Not this
Every spring, the river overran its banks.
Use this
Every spring, the river overruns its banks.
描述习惯性动作时应用一般现在时 overruns，而非过去式 overran。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
杂草蔓延整个花园
After the heavy rains, weeds overran the garden.
大雨过后，杂草蔓延了整个花园。
敌军侵占该镇
The enemy overran the town before dawn.
敌军在黎明前侵占了这个城镇。
成本超出了预算
Construction costs overran the budget by nearly twenty percent.
建筑成本超出预算近百分之二十。
会议超出规定时间
The meeting overran the allotted time by thirty minutes.
会议超出规定时间三十分钟。
Use overran naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 over（超过）和 ran（跑）连起来想：跑过了头，就“蔓延/超出”了。
语域：neutral 常见场景：军事占领报道、灾害蔓延描述、虫害侵扰 overran 是 overrun 的过去式，表示“大量涌入并占领”或“泛滥”。这个词多用于书面语和新闻报道，如军事入侵、灾害蔓延或虫害侵扰；在日常口语中并不算很常见。
与 overran 中重读的 -ran /ræn/ 押韵的常见词有 ran、man、plan、began。注意拼写类似的 run 读 /rʌn/，urban 中的 -an 读 /ən/，均与 /æn/ 不同。
Dictionary facts from AI_FALLBACK, ECDICT.