alacrity

n.

敏捷；活泼；欣然；乐意

1. She sprang to the door with alacrity.
   她敏捷地跳到门口。
2. Although the man was very old, he still moved with alacrity.
   他虽然很老,动作仍很敏捷。
3. He accepted her offer with alacrity.
   他欣然接受了她的建议。
4. He carved, and ate, and praised with delighted alacrity.
   他边切边吃，又兴致勃勃地赞不绝口。

USS Alacrity (SP-206)
Responding with alacrity
Alacrity of cells engaged in the immune response.
Life with alacrity: The Dunbar number as a limit to group sizes
3rd-grader gets up to speed with alacrity
FROM APATHY TO ALACRITY: MANAGERS AND NEW TECHNOLOGY IN PROVINCIAL NEWSPAPERS
ALACRITY: Analytics-Driven Lossless Data Compression for Rapid In-Situ Indexing, Storing, and Querying
Dimensions of antenatal care service and the alacrity of mothers towards institutional delivery in South and South East Asia
Between Location and a Sense of Place - Observations Regarding Young People's Migration Alacrity in Northern Europe
Should Energy Star exist? Government never furthered any enterprise but by the alacrity with which it got out of its way.(Editor's V...