skywriting / ˈskaɪˌraɪ tɪŋ /

📖毕业后词汇天工开物天书天文写作天空写作

skywriting 的定义

n. 名词 noun
  1. the act or technique of writing against the sky with chemically produced smoke released from a maneuvering airplane.
  2. the words, letters, designs, etc., so traced.