cuckoo spit

短语

[医]泡沫（沫蝉科）

释义与例句

n.
  1. 1.

    A frothy mass of white liquid that is secreted onto plants by froghopper larvae and serves as a protective covering.

    不可数

词源

From appearing on plants at around the time that cuckoo birds return in the spring.

来源：wiktionary