The easiest way to propagate a vine is to take hardwood cuttings.

繁殖葡萄藤最容易的办法就是采取硬木扦插。

《柯林斯英汉双解大词典》

Many of the species native to California, such as the prickly chaparral, rely on fires to propagate.

加利福尼亚有许多土生土长的物种，比如多刺的灌木荆棘丛，依靠火来繁殖。

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Furthermore, the squalid, cramped quarters that encourage diseases to propagate among many animal populations are actually the residental choice for insects.

此外，肮脏、拥挤的住所促进疾病在许多动物种群中扩散，这实际上是昆虫对居住地方的选择。

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Once you have a difference that occurs, two cells are difference, those differences can propagate as the cells continue to divide.

一旦产生差异,产生两个不同的细胞,这些差异会伴随着,细胞分裂过程代代相传

耶鲁公开课 - 生物医学工程探索课程节选

I'm much better having an exception get handled at the time of input than to let that prop -- that value rather propagate through a whole bunch of code until eventually it hits an error 17 calls later, and you have no clue where it came from.

不是我期望的格式,这时我最好有一个异常处理,而不是让其传下去,这个值传到代码的整个分支,最终会导致一个错误17调用的发生，并且你不知道这个错误是哪里来的。

麻省理工公开课 - 计算机科学及编程导论课程节选

As anti-Israel Jews, they will never lack prestigious forums from which to propagate their hatred for Israel.

CENTERFORSECURITYPOLICY: Telling friend from foe

And a new Centre for Management and Policy Studies is being set up to propagate best practice.

ECONOMIST: Government

Over the years, managers by sharing oral history and spinning lore have created and continue to propagate several myths.

FORBES: Want Talent? Help them Grow or Watch them Go