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activity
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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.
    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标时,不需做太多的管理方面的工作。
  • 2.
    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。
  • 3.
    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。
  • 4.
    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。
  • 5.
    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。
  • 6.
    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。
  • 7.
    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。
  • 8.
    ⑤ The dietary nutrition and physical activity are closely related to the chronic diseases
    5、膳食营养和体力活动与相关慢性病关系密切
  • 9.
    After years of dishonest activity the man was finally brought to book and jailed
    为非作歹多年后,那人终于被迫供认罪状并被监狱。
  • 10.
    Any process is a sequence of related activities or an activity that has both input and output.
    任何过程都是具有输入和输出的一系列相关的活动或一项活动。
词汇级别

小测验:选择正确的单词

n. 女演员
  • A.adctor
  • B.adctually
  • C.adctress
  • D.adctual

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