be active

例句 (10)

• It's important to be physically active to maintain good health.为了保持身体健康，保持身体活跃非常重要。
• She was very active in the local community theater for many years.她多年来在当地社区剧院非常活跃。
• He plans to be more active on professional networking sites.他计划在专业社交网站上变得更活跃。
• Despite his age, my grandfather is still very active and goes for a walk every day.尽管年事已高，我的祖父仍然非常活跃，每天都去散步。
• To make a difference, you need to be politically active and vote.要想有所作为，你就需要在政治上保持活跃并参与投票。
• The students are active in various extracurricular clubs.学生们在各种课外俱乐部中都很活跃。
• Scientists confirmed that the volcano is no longer active.科学家们确认那座火山已不再活跃。
• They have been active in the campaign for environmental protection since the beginning.他们从一开始就一直积极参与环境保护运动。
• A survey revealed that most teenagers are sexually active by the age of 18.一项调查显示，大多数青少年到18岁时在性方面是活跃的。
• The medication will be most active a few hours after you take it.服药几小时后，药效将最为活跃。