ac·tiv·i·ty /ækˈtɪvəti/
C活動;U活性,活力
ac·tiv·i·ty /ækˈtɪvətɪ/ 名詞
活動,活動度,活性,效能
activity
活動率; 活動性
activity
活動比
activity
活動率 活動性
Ac·tiv·i·ty n.; pl. Activities The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities. “The activity of toil.”
Syn: -- Liveliness; briskness; quickness.
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activity
n 1: any specific activity; "they avoided all recreational
activity" [ant: inactivity]
2: the state of being active; "his sphere of activity"; "he is
out of action" [syn: action, activeness] [ant: inaction,
inaction, inaction]
3: an organic process that takes place in the body;
"respiratory activity" [syn: bodily process, body
process, bodily function]
4: (chemistry) the capacity of a substance to take part in a
chemical reaction; "catalytic activity"
5: a process existing in or produced by nature (rather than by
the intent of human beings); "the action of natural
forces"; "volcanic activity" [syn: natural process, natural
action, action]
6: the trait of being active; moving or acting rapidly and
energetically; "the level of activity declines with age"
[syn: activeness] [ant: inactiveness]