延伸 yán​shēn
extend verb
to stretch out or prolong in space, length, or distance

This railway extends south to the border city.

spread verb
to expand or reach out into a wider range, scope, or influence

The influence of this artistic style has extended into the field of architecture.

Frequency

Written text
0.196 per million

Sources

Frequency data
BCC Corpus (BLCU)