源头

mín gē shì wén xué de yuán tóu zhī yī

民歌是文学的源头之一。

Folk songs are one of the sources of literature.

lǎn duò shì yī qiè bù xìng de yuán tóu

懒惰是一切不幸的源头。

Idleness is the source of all misfortune.

hé de yuán tóu

河的源头

the source of a river

xún zhǎo mǒu shì de yuán tóu

寻找某事的源头

search for the source of something

yuán tóu kū jié le

源头枯竭了。

The sources dried up.

néng liàng yě shì shēng mìng zhì huì yǔ zhòu wàn xiàng de yuán tóu

能量也是生命、智慧、宇宙万象的源头。

Energy is the source of life, wisdom, the universe of Vientiane.

dāng jú kě yǐ zhuī chá dào wū rǎn de yuán tóu zé lìng yè zhǔ fù zé qīng lǐ

当局可以追查到污染的源头，责令业主负责清理。

The authority can chase up the source of the pollution and demand that the owner clean it up.