active passive immunity

例句：

1. 1. The team is active in promoting environmental protection.
   该团队积极推广环境保护。
2. 2.He is an active member of the community.
   他是社区的积极成员。
3. 3. The active market is expected to continue its upward trend.
   预期活跃的市场将继续上涨。
4. 1. The passive speaker did not respond to the question.
   被动发言者没有回应这个问题。
5. 2. The passive economy is facing severe challenges.
   被动的经济正面临严峻的挑战。
6. 3. The passive student was unable to complete the assignment on time.
   被动的学生无法按时完成作业。