helicopter相关的词根或词缀是: helic pter

复数： helicopters
第三人称单数： helicopters
过去式： helicoptered
过去分词： helicoptered
现在分词： helicoptering

提示：点击例句中的单词，就可以看到词义解释

China currently has fewer than 650 licenced helicopter pilots .

中国目前有驾照的直升机飞行员不到650人。

Evacuated by helicopter , he recovered after six operations .

被直升飞机营救出来后，他做了六次手术才康复。

Transport agencies announce helicopter flights by e-mail .

运输机构通过电子邮件向直升机发出通报。

Helicopter calmly back from the shooting range .

直升机从靶场不慌不忙的回来啦。

A blonde was taking helicopter lessons .

一个金发女郎正在上直升机驾驶课。