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oak apple

/ˈəʊk ˌæp.əl/

翻译: 橡树因某些蜂类幼虫刺激而生成的圆形海绵状虫瘿,又称橡树虫瘿,历史上曾用于制造墨水。

1 个条目

phrase

/ˈəʊk ˌæp.əl/C1formalscientific
  • zh橡树因某些蜂类幼虫刺激而生成的圆形海绵状虫瘿,又称橡树虫瘿,历史上曾用于制造墨水。

A round, spongy gall that forms on oak trees, caused by the larvae of certain wasps. It is also known as an oak gall and was historically used in making ink.

  1. Plant gallC1formal

    A round, spongy growth on oak trees caused by the larvae of certain wasps.

    zh栎瘿

    • The oak apple is often found on the branches of oak trees in summer.
    • Historically, oak apples were used to make ink.
    • The wasp larvae develop inside the oak apple until they mature.