There was not a strong link between the amount of physical activity and the extent of impairment.

VOA: special.2010.07.07

Different amount of metabolic activity because one has a greater volume of cytoplasm than the other, for example, so these are exactly the right kinds of ideas.

大小不同,代谢活动的总量就会不同,可能因为一个细胞的胞质比另一个体积大,以上这些观点都是非常正确的

耶鲁公开课 - 生物医学工程探索课程节选

The total amount of activity should be spread over at least three days throughout the week.

VOA: special.2010.06.08

The amount of activity Glover can have in the transfer market may depend on the future striker Luke Rodgers.

BBC: Icy conditions frustrate Glover

In half of the trusts running acute hospitals, there were serious flaws in the way they counted costs, chiefly in recording the amount of activity.

ECONOMIST: A new payment system in the NHS: innovative, but risky

The hypnotherapy reduced the amount of activity in the ACC.

BBC: Hypnotherapy session