Stroke order
Sentence examples
可疑的源头
kěyíde yuántóu
a dubious source
找到腐化的源头
zhǎodào fǔhuà de yuántóu
to detect the source of decay
感染源头不明
gǎnrǎn yuántóu bùmíng
the source of the infection is unclear
一条河的源头
yītiáo hé de yuántóu
the source of the river
上游源头
shàngyóu yuántóu
the mouth of the river