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inoh

delta

/ˈdɛltə/

含义 1

a landform at the river's mouth, often triangular

“The delta teemed with birds and lush vegetation.”
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delta 的插图：a landform at the river's mouth, often triangular

含义 2

fourth letter of the Greek alphabet

“She wrote the delta symbol on the board.”
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delta 的插图：fourth letter of the Greek alphabet

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