The discovery of Penicilin was a major breakthrough in medical science.
My opportunities are as a result of my breakthrough
Each would represent a significant breakthrough in its field.
The latest breakthrough in engineering would make many lives better, the scientists were sure.
it is a breakthrough that i had the knowledge to answer this question
The breakthrough technology was new, but had the potential to save many lives.
With this new breakthrough in cancer research, many patients will be saved.
She will live much longer due to the breakthrough in cancer research.
A sample of the girl's DNA led to the breakthrough in the case.
The significance of technology is way too important. This is a sentence using significance word in it.
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i do not know how to use embalming in a sentence. (there is the sentence)
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.