语言选择:
免费网上英汉字典|3Dict

C20H38

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

Eikosylene \Ei*kos"y*lene\, n. [Gr. e'i`kosi twenty +
   acetylene.] (Chem.)
   A liquid hydrocarbon, {C20H38}, of the acetylene series,
   obtained from brown coal.
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