Contrail 是 "凝结尾迹" 或 "飞机尾迹" 的意思，指的是飞行器（通常是飞机）在高空中留下的白色烟雾或云状物。这个现象通常是由于飞机发动机排出的水蒸气在高空低温条件下凝结成水滴或冰晶，从而形成可见的尾迹。

Contrail 音标：

/ˈkɒnˌtreɪl/（英式发音）

Contrail 翻译：

凝结尾迹：飞机、火箭或其他高速飞行器在高空留下的云状物。

飞机尾迹：由飞机在飞行过程中排放的水蒸气凝结而成的云状物。

Contrail 读音：

/ˈkɒnˌtreɪl/（英式），/ˈkɑːnˌtreɪl/（美式）

Contrail 用法：

As a noun (名词用法)：

The sky was dotted with contrails as the planes flew overhead.

The contrails formed a trail of white against the blue sky.

 

As a verb (动词用法)（较少使用）：

The jet contrails stretched across the horizon.

 

Contrail 例句：

The contrails left by the jet were visible for miles.

The contrails disappeared as the wind carried them away.

The scientist studied the effects of contrails on the climate.

Contrails are often mistaken for clouds, but they are created by aircraft.

The airplane flew so high that its contrail remained visible long after it passed.

Some people believe that contrails are part of a secret government experiment.

The contrail formed a long, white streak across the sky.

During the flight, the airplane left a trail of contrails behind it.

Contrails can sometimes spread out and form cirrus clouds.

Environmentalists are concerned about the impact of contrails on global warming.

Contrail 短语搭配：

Jet contrail：喷气机尾迹

Persistent contrail：持久尾迹

Contrail-induced cloudiness：由飞机尾迹引起的云层

Contrail formation：尾迹形成

Contrail spreading：尾迹扩展

Contrails通常被认为是飞行过程中正常产生的现象，但它们在气候变化、天气模式和全球变暖方面的潜在影响，尤其是持久尾迹（persistent contrails）和它们在云层形成中的作用，近年来引起了许多关注。