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The sound waves are then transmitted by the bursa through the melon.

随后声波被这些囊状物在鼻疣中传播。

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A scientist showed that mouse leukemia could be transmitted by cell-free filtrates.

一位科学家发现小鼠白血病可以通过细胞游离滤液传播。

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The virus can be transmitted by unsafe sex and unsterile needles, but most people who suffer from the disease become infected at birth from their mothers.

VOA: standard.2010.07.26

So, some of these cases were probably due to polio that was transmitted by incompletely killed virus that was present in the vaccine.

因此,那些病例的发病的原因,是被那些疫苗中携带的,没有被完全杀死的病毒感染

耶鲁公开课 - 生物医学工程探索课程节选

These materials were transmitted and developed by different circles within Israelite society over centuries, and they crystallized at different times.

这些资料被传播发展,几世纪来，由以色列社会中的不同圈子，它们曾在不同的时期都非常明确。

耶鲁公开课 - 旧约导论课程节选

It's often transmitted by fleas that carry it from prairie dogs or other rodents.

NPR: Prairie Dogs Yield Bioterrorism Insight

Scientists know that Loa Loa is mainly transmitted by a particular type of fly.

BBC: Danger worms tracked from space

Live pictures transmitted by the robots are fed to a huge bank of video screens.

WSJ: Spill Fight Shows Progress