phantom

/ˈfæntəm/ 名词 C2

中文：幻影

A ghost or apparition. (countable, uncountable)
Something apparently seen, heard, or sensed, but having no physical reality; an image that appears only in the mind; an illusion or delusion. (countable, uncountable)
A placeholder for a pair of players when there are an odd number of pairs playing. (countable, uncountable)
A test object that reproduces the characteristics of human tissue. (countable, uncountable)

复数 phantoms

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He then saw the great aqueducts, those stone phantoms which he had before remarked, only then they were on the right hand, now they were on the left.

Our phantom voices haunt the air

Again the phantom city burns;

The phantom armies marching go!

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