蔓延的英文：
to extend
to spread

参考例句：
  • The eradication of an established infestation is not easy
    根除昆虫蔓延是不容易的。
  • an epidemic outbreak of influenza.
    流行性感冒的爆发性蔓延
  • Vines rambled over the wall.
    葡萄藤蔓延于墙上。
  • The tornado spread destruction.
    暴风造成的破坏蔓延开来。
  • run wild
    蔓延;狂暴起来;放肆起来
  • There's a lot of flu about people are going down like ninepins
    流感正在蔓延--传染的人越来越多.
  • The flu went through the district like a wind
    流感很快在这一地区蔓延开。
  • The broom grows down the arid sandhill.
    金雀草蔓延在干燥的沙丘下。
  • He has an incurable and widespread nepotism.
    他们有不可救药的，到处蔓延的裙带主义。
  • A fireproof wall used as a barrier to prevent the spread of fire.
    防火墙，隔火墙作为一道屏障阻止火蔓延的防火的墙。
extend是什么意思：
v. 延长；延伸；扩大；延续；伸，伸出
  • This will extend the life of the drive.
    这样会延长驱动装置的寿命。
  • Extended consciousness was his line.
    延展清醒意识是他的本行。
  • They extended their citizenship cautiously but steadily.
    他们慎重而稳步地扩大授与公民权的范围。
  • An extended sense of the word honest.
    单词honest的引申义
  • The company's activities are extended.
    公司的业务在扩大。
spread是什么意思：
v. （使）扩散，蔓延；展开；摊开；涂；将…分散；分摊；（使）传播，散布
n. 传播；酱；盛宴；伸展；范围；价差；蔓延；分配；多样；横贯两版的篇幅
  • spreading of a slick
    浮油在水面扩展
  • orienting spreading
    定向铺装
  • Knowledge of the disaster soon spread.
    灾难的消息很快传开了。
  • A cloth should be spread under.
    下面该铺一块布。
  • The news spread abroad.
    那消息四处传播。

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