冬天，许多动物保持休眠状态以保存能量。

In winter, many animals remain ___dormant to conserve energy.

这些种子在冬天会处于休眠状态，直到春天才发芽。

These seeds remain ___dormant during winter and only sprout in spring.

他的信用卡账户已经休眠多年，但随时可以重新激活使用。

His credit card account has been ___dormant for years, but can be reactivated anytime.