“空投”怎么读

“空投”的英语可以翻译为：air-drop，paradrop，aerial delivery，air drop，airdrop ...

传单被空投下来，要求人们离开某些地区。Leaflets have been air dropped telling people to leave certain areas.飞机用降落伞空投补给。Planes dropped supplies by parachute.飞机向灾区空投救灾物资.The planes airdropped relief supplies to the stricken area....