r. without variation or change, in every case
r. without interruption
adv. 不变地, 不断地, 时常地
1. She is constantly studying to improve her English skills.
她不断学习以提高自己的英语水平。
2. The weather changes constantly in this region.
这个地区的天气不断变化。
3. He constantly helps his friends whenever they need assistance.
他在朋友需要帮助时总是不断地提供帮助。