Motorcycle sport is a thrilling activity that combines speed and control.
Geology of this region shows a rich history of volcanic activity.
这个地区的地质特征显示出悠久而频繁的火山活动历史。
Enzyme activity can be enhanced or suppressed by various cellular factors.
Exponential decay describes how the radioactive material loses its activity over time.
指数衰减描述了放射性物质的活性如何随时间逐渐减弱。
We must consider the implication of each member in the fraudulent activity.
我们必须认真审视每一位成员在这起欺诈行为中的可能牵连。
Unusual email activity can easily raise suspicions of a cyber attack.
异常的电子邮件活动很容易让人怀疑是不是遭遇了网络攻击。
The brochure advertised canoe camping as a great family outdoor activity.
宣传册把独木舟露营介绍成一种非常适合全家参与的户外活动。
Parents should monitor younger users' activity on chat sites closely.
家长应该密切留意年纪较小的孩子在聊天网站上的活动。
Colored egg decorating is a fun activity that brings everyone together.
装饰彩蛋是一项能把大家聚在一起的有趣活动。
The social activity helped shy students feel more comfortable in class.
这次联谊活动让原本内向的学生在课堂上也自在多了。
Nerve cell activity is crucial for processing and responding to information.
神经元的活动对于信息的处理和反馈反应起着关键作用。
Experts studied the imbalance in brain activity during sleep disorders.
专家研究了睡眠障碍患者在大脑活动上出现的失衡现象。
Gum blowing contests are a fun activity at school fairs.
吹泡泡口香糖比赛是学校游园会上一项很有趣的活动。