late 14c., intransitive, of uncertain origin, possibly a shortened variant of stricklen "to trickle," a frequentative form of striken "to flow, move" (see strike (v.)). Transitive sense from c. 1600. Related: Trickled; trickling. Trickle-down as an adjectival phrase in an economic sense first recorded 1944; the image had been in use at least since Teddy Roosevelt.
中文解释
音：垂口，口角下垂，一滴滴流口水------垂涎欲滴、垂涎三尺。
实用例句
1. The flood of cars has now slowed to a trickle.
汹涌的车流现在已经变得稀稀拉拉。来自柯林斯例句
2. A trickle of refugees began to flee the country.
难民开始三五成群地陆续逃离该国。来自柯林斯例句
3. The government is not simply relying on trickle-down economics to tackle poverty.
政府并没有仅仅依赖垂滴经济学来解决贫困。来自柯林斯例句
4. Trickle water gently over the back of your baby's head.
