avid

形容词 avid:

1. (often followed by `for') ardently or excessively desirous
   同义词：devouring, esurient, greedy
2. marked by active interest and enthusiasm
   同义词：great, eager, zealous

1. An avid stamp collector, John rides the subject pretty hard whenever it is introduced.
   约翰是个热心的邮票收藏家，只要有人提起集邮，他就会滔滔不绝。

av.id

adj.（形容词）
Having an ardent desire or unbounded craving; greedy:
渴求的：有着热切的渴望或无限的要求的；贪婪的：
例句：
avid for adventure.
渴求冒险

Marked by keen interest and enthusiasm:
殷切的：以强烈的兴趣和热情为特征的：
例句：
an avid sports fan.See Synonyms at eager
殷切的体育爱好者参见 eager

来源：
Latin avidus
拉丁语 avidus
from avôre [to desire]
源自 avôre [渴望]

【引伸】
av.idly
adv.（副词）