economic activity
经济活动
The streets were noisy and full of activity.
街上熙熙攘攘，车水马龙。
Muscles contract and relax during physical activity.
身体活动时肌肉收缩放松。
leisure/outdoor/classroom activities
休闲╱户外╱课堂活动
The club provides a wide variety of activities including tennis, swimming and squash.
这家俱乐部的活动丰富多彩，诸如网球、游泳、壁球等。
illegal/criminal activities
不法╱犯罪活动
1.活性;放射性
2.活动;活跃;动作;活动力;能动性
3.机能,功能
4.〈美〉机构
5.活动范围
1.活性;放射性
2.活动;活跃;动作;活动力;能动性
3.机能,功能
4.〈美〉机构
5.活动范围
1.things that people do
2.something that someone does in order to achieve a goal
3.something that you do because you enjoy it or because it is interesting
4.a situation in which people are busy doing different things
1.things that people do
2.something that someone does in order to achieve a goal
3.something that you do because you enjoy it or because it is interesting
4.a situation in which people are busy doing different things
1.The control group did not show activity in these parts of their brains when listening to the psalm.
当对照组听圣歌时，在其大脑的这些部位没有呈现活跃现象。
2.Your hygiene of life will improve spontaneously because you are in phase with you even in terms of movement, activity.
你的生活将会自发地改善自身的卫生，因为你处在一个可以与你的动作相媲美的阶段，甚至是一种活动中。
3.And warfare is just as capable of productivity improvements as any other activity.
而战争就像人类所有其他活动一样也可以改善其“生产效率”。
4.The activity aims at training the children to be independent. Giving them too much help will defeat the purpose of the activity.
这项活动的宗旨是锻炼儿童自立。给予他们过多帮助，只会破坏活动的宗旨。
5.The risks of working in a place where volcanic activity seems to have stopped but may suddenly resume are uncertain.
工作的危险在于，此处的火山活动表面上已经停止，但可能会突然重新开始。
6.and work procedures ( SOP ) is often applied only to certain departments, only involves a separate specific activity.
而工作规程（作业指导书）往往只应用于某一部门，只涉及到一项独立的具体活动。
7.The team recorded activity in the RTPJ as these tasks were undertaken and discovered that it increased with the age of the child.
这个研究小组记录了在承担这些任务时RTPJ的活动，并且发现它随儿童的年龄增加。
8.Encourages people to ask questions, especially after giving directions or at the end of a learning unit, activity or exercise.
鼓励学员提问题，特别是给出提示以后，或者是在学习单元，活动或者练习的尾声。
9.All this activity has led to a scramble by companies to recruit Indian executives who can operate at an international level.
所有这些行动导致企业争相聘用具有国际经营能力的印度高管。
10.And somehow all that content of consciousness is accomplished by the busy activity of those hoards of neurons.
从某种意义上，这些意识的内容是由那些聚集的神经元的繁忙活动完成的。