源泉

tā men fā xiàn le shuǐ de yuán quán

他们发现了水的源泉。

They discovered the source of water.

hé yǒu yuán quán shuǐ cái shēn

河有源泉，水才深。

A river runs deep because of its source.

tā men chū fā qù zhǎo nà tiáo hé de yuán quán

他们出发去找那条河的源泉。

They set off to find the source of that water.

bù liáng de hūn yīn shì è yùn de yuán quán

不良的婚姻是厄运的源泉。

An ill marriage is a spring of ill fortune.

dì qiú yǔ tài yáng shì shēng mìng de liǎng dà yuán quán

地球与太阳是生命的两大源泉。

The earth and the sun are two great sources of life.

tā de nǚ ér shì tā wú xiàn kuài lè de yuán quán

她的女儿是她无限快乐的源泉。

Her daughter was a continual source of delight to her.