helicopter的近义词有：aeroplane, airplane, aircraft, plane, jet, helicopter。下面这些名词均有"飞机"的含义：aeroplane和airplane专指普通飞机，不包括helicopter(直升飞机)。aeroplane为英国英语的拼法。airplane ：为美国英语的用词。aircraft ：常用作集体名词，也可指一架飞机，其含义包括直升飞机和飞艇等。plane ：本义为"平...

Mecoptera的音标：...

Helicopters have been upgraded and modernized...直升机已经更新换代，装配了现代化设备。The supplies need to be offloaded and put on helicopters.这些补给要卸下来装上直升机。The helicopters will fly again and again and again.这些“直升机”将会一波又一波地实施空投.More than 2...

vt.用直升飞机载送（helicopter的现在分词形式）...

Megasecopteroidea的音标：...