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- No active flexion and no passive extension stretch are allowed within the first three weeks postoperatively, but active extension against rubber band traction is encouraged. 头三周内伤指不可做主动性屈曲和被动性拉张运动，应小心做主动性伸指运动；
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- He asked for an extension of his visa. 他申请延长签证有效期。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- He built an extension onto his house. 他给自己的住宅扩建了一部分。
- Extension of the injured arm was painful. 把受伤的胳膊伸展开是很疼的。
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- By extension, an array of any number of dimensions. 广义来说，矩阵可以是任意维数的数组。
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- He was very active and rode down several horses. 他劲头很大，一连骑了好几匹马。
- We built an extension to our house. 我们扩建了我家的房屋。
- She plays an active part in local politics. 她积极参与地方政治活动。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- An active volcano may erupt at any time. 活火山随时可能喷发。
- Extension of validity of bid shall normally not be requested. 一般来说不应要求延长投标有效期限。
- He was disabled when on active service. 他在战斗中受伤致残。
- Ms. Brown is active in the party. 布朗女士在晚会上很活跃。
- The active boy was extremely distractible. 那好动的男孩极不专心。
- His lame foot disqualified him for active work. 跛脚使他无法参加积极活动。
