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activity  
词性及解释
  • n.
    活动, 行动, 活跃, 活力
  • 【计】
    活动
  • 【化】
    活度; 活动性; 活力
  • 【医】
    活动; 活动度; 活性; 效能
  • 【经】
    产量折旧法, (经济)活动, 能动性, 作业活动
词形变化
名词复数: activities
英英解释
  • 1.
    n.any specific behavior
    [例]
      they avoided all recreational activity
  • 2.
    n.(chemistry) the capacity of a substance to take part in a chemical reaction
    [例]
      catalytic activity
常用词组
习惯用语
  • 1.
    be in activity
    在活动中
  • 2.
    with activity
    精力充沛地
例句
  • 1.
    A ritual, however simple, creates a border around an activity the way a frame does around a picture.
    不论多么简单一种仪式创造出的活动的边界就如同照片的相框一样。
  • 2.
    The trigger for this flurry of activity was a letter written on February 20th by TCI, a hedge fund holding 1% of the bank's shares, to ABN Amro.
    引发这场疾风骤雨的导火索是TCI(一家对冲基金,其持有荷银1%的股份)写给荷银的一封信。
  • 3.
    AN electronic surveillANce camera that saw the activity in the emBassy yard.
    电子监测器监视大使馆院内的一举一动
  • 4.
    When AN activity falls within acceptable performANce levels, little mANagerial action is necessary other thAN routine supervision.
    当一项活动的结果达到可以接受的水平时,不需做太多的管理方面的工作。
  • 5.
    In rye flour with balANced baking properties, AN optimal relationship should exist between a-amylase activity ANd starch quality.
    在具有平衡焙烤特性的黑面粉中,其a-淀粉酶活性和淀粉品质间应存在一最佳关系。
  • 6.
    As the Tree-PlANting Day is drawing near, the Neighborhood Committee has decided to orgANize AN activity of voluntary tree-plANting.
    植树节即将来临,我街道决定居民义务植树。
  • 7.
    The productive capacity is usually expressed in terms of AN activity base, such as machine hours, direct labor cost, or direct labor hours.
    标准生产能力通常表达为机器工时、直接人工成本、直接人工工时等指标。
  • 8.
    The activity is presided over by AN elder, interluded with poems composing, riddles guessing ANd joke telling.
    活动由年长者主持,进行中还常对诗、猜谜、讲笑话等
  • 9.
    Cofactor: AN atom, orgANic molecule, or molecular group that is necessary for the catalytic activity of mANy enzymes.
    辅助因子:许多的一种非蛋白质组分。如果将其从全中除去,则蛋白质部分(脱辅基蛋白)便失去催化活性。
  • 10.
    The General watched the constant activity of men AND trucks out of all the bivouacs in the jungle adjacent to the beach
    将军每天也亲眼看到海滩附近一带的丛林里各个营地上出人出车,忙忙碌碌。
词汇级别

小测验:选择正确的单词

a. 尖锐的, 敏锐的, 激烈的, 严重的, 急性的
  • A.adctually
  • B.adcute
  • C.adctuals
  • D.add

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