亚洲网紅露点

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ring spot

noun

Plant Pathology.
  1. any of various plant diseases caused by a virus or fungus and characterized by concentric rings of discoloration or necrosis on the leaves.
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亚洲网紅露点 History and Origins

Origin of ring spot1

First recorded in 1905鈥10
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Example Sentences

Examples have not been reviewed.

Viral genes have been used to protect papaya plants against the ring spot virus, for example, with no sign of resistance evolving in over a decade of use in Hawaii.

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ring-spinning frameringster

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