limpid

清晨的阳光透过清澈的湖水照在鹅卵石上。

The morning sun shone through the ___limpid lake water onto the pebbles.

她清澈明亮的眼睛让人感到平静。

Her ___limpid eyes bring a sense of calm.

这位科学家对量子纠缠清晰透彻的解释，把一个令人困惑的概念变得连高中生也能理解。

The scientist's ___limpid explanation of quantum entanglement turned a baffling concept into something a high-school student could grasp.