pollen vortex

短语

词形变化

pollen vortexes 复数 pollen vortexes pollen vortices pollen vortices 复数

释义与例句

n.
  1. 1.

    An unusually high concentration of pollen in the air over a relatively short period of time.

词源

Modeled after polar vortex.

来源：wiktionary