aim不用双写，因为aim不是重读闭音节，听以不用双写，aimed，aiming ，aimed中文意思是adj，瞄准的

The gun was aimed at her head.枪瞄准了她的头。

These measures are aimed at preventing violent crime.这些措施旨在防止暴力犯罪。

His music is commercial. It is aimed at the masses.