activity

 n.  1.活动；活跃；动作；活动力；能动性。 2.活性；放射性。 3.机能，功能。 4.〔美国〕机构。 5.〔pl.〕 活动范...  detail>>

be in activity

在活动中  detail>>

with activity

精力充沛地  detail>>

a olute activity

绝对活性  detail>>

absolute activity

绝对放射性 绝对活度 绝对活性度  detail>>

absorbent activity

吸收剂活性度  detail>>

abyssal activity

深源火山活动  detail>>

academic activity

学术活动  detail>>

accelerating activity

促进活性  detail>>

access activity

存取活动  detail>>

accounting activity

会计活动  detail>>

acidity activity

酸度活度  detail>>

acidsulfate activity

酸性硫酸盐显示  detail>>

act activity

行动，活动  detail>>