She scooped up a handful of sand and let it trickle through her fingers.

她抓了一把沙子，然后让它们从指缝间慢慢漏掉。

《柯林斯英汉双解大词典》

When the polarity faces in opposite directions, just a few electrons trickle through, and the chip reads a zero.

FORBES: Total Recall

In the past few weeks credit has started to trickle through and inflation has come down slightly, helped by a rising rouble.

ECONOMIST: Russia's economy

Flocks of brilliant white egrets settle on the terraces of the rice fields, hungrily watching for fish in the clear waters that trickle through.

BBC: High spirits in Bali