According to Chinese traditional medicine, start of summer is a key time to moisten the heart.

中医认为，立夏是滋润心脏的关键时刻。

youdao

She took a sip of water to moisten her dry throat.

她抿了一小口水，润一润自己干燥的喉咙。

《柯林斯英汉双解大词典》

Drink some water to moisten your throat.

喝点儿水润一润嗓子。

youdao

Without saliva to moisten the powder, people invariably begin to gag and choke, followed by vigorous bouts of coughing.

FORBES: An ER Doctor's Perspective on "The Cinnamon Challenge": Don't Even Think of Doing It

An emollient is rubbed into the skin to soothe and moisten it, while a soap substitute is simply used to keep it clean.

BBC: NEWS | Health | Warning over child eczema cream

Handmade from the tough bark of the Tara Wing-Celtis or Blue Sandalwood tree and rice straw, Xuan paper is known for its strong, smooth surface, its ability to absorb water and moisten ink, and fold repeatedly without breaking.

UNESCO: Culture