[no obj.](of water or air) cease to flow or move; become stagnant (水,空气)不流动,停滞;变臭 ■(figurative)cease developing; become inactive or dull (喻)不发展;变得死气沉沉,变呆滞 teaching can easily stagnate into a set of routines. 教育很容易固化为变一套陈规。 [as adj. stagnating]stagnating consumer confidence. 停滞不前的消费者信心。
派生 stagnation noun 语源
mid 17th cent.: from Latin stagnat- 'settled as a still pool', from the verb stagnare, from stagnum 'pool'