activity
英[æk'tiviti]美[æk'tiviti]
n.
1.[U]活动性；活力
2.[U]繁忙的或充满活力的活动
3.[C]【尤作复数】所做的事情，活动，工作，消遣
1.[U]活动性；活力
2.[U]繁忙的或充满活力的活动
3.[C]【尤作复数】所做的事情，活动，工作，消遣
复 数：activities
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- This form of convectional activity is responsible for thunderstorms
这种形式的对流活动就是大雷雨形成的原因。收藏 - provided that they are applicable to the specific operating unit or activity that will be subject to the standard.
只要它们能够适用于本标准所规范的特定营运单位或活动。收藏 - This subject had a somewhat vigorous but short-lived burst of activity in the seventeenth century
这门学科在十七世纪曾经有过相当活跃然而短暂的突进。收藏 - Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。收藏 - Biological activity in a soil is influenced by soil acidity and nutrient status.
生物的活动被土壤养分含量状况所制约。收藏
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