contrail

n. 凝(结尾)迹

发音

US

词形变化

contrails 复数 contrails contrailed contrailing contrails 三单 contrailing 现在分词 contrailed 过去式 contrailed 过去分词

释义与例句

n.
  1. 1.

    An artificial cloud made by the exhaust of jet aircraft or wingtip vortices that precipitate a stream of tiny ice crystals in moist, frigid upper air.

v.
  1. 1.

    To produce an artificial cloud of this kind.

    不及物

词汇关系

名词

同义词 1

condensation trail

上位词 1

cloud

词源

Blend of condensation + trail.

来源：wiktionary