语言选择:
免费网上英汉字典|3Dict

Radio-active

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Radio-active \Ra`di*o-ac"tive\, a. [Radio- + active.] (Physics)
   Capable of luminescence under the action of cathode rays, X
   rays, or any of the allied forms of radiation. --
   {Ra`di*o-ac*tiv"i*ty}, n.
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z