avidityn.
ə'vɪdəti
中文n. 热望，贪欲；活动性
词根词源
avidity (n.)mid-15c., "eagerness, zeal," from Old French avidite "avidity, greed," from Latin aviditatem (nominative aviditas) "eagerness, avidity," noun of quality from avidus (see avid).
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