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to dilate
01
扩张, 扩大
to increase in size or width
Intransitive
Example
The blood vessels are dilating to allow for increased blood flow.
As the temperature rose, the material was dilating, causing it to expand.
Over time, the metal expanded and dilated due to exposure to heat.
02
扩展, 详细讲述
to speak extensively or at length
Intransitive: to dilate upon a topic
Example
During the debate, the expert dilated upon the implications of climate change.
During the lecture, the scientist dilated upon the complexities of quantum mechanics
During the interview, the author dilated upon the inspiration behind their latest book.
例子
The blood vessels are dilating to allow for increased blood flow.
As the temperature rose, the material was dilating, causing it to expand.
Over time, the metal expanded and dilated due to exposure to heat.
By the end of the experiment, the researcher will have observed how the material dilates under various conditions.
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