$ sudo apt-get update
$ sudo apt-get install librime-data-terra-pinyin 

librime-data-terra-pinyin is installed in your system.

Make ensure the librime-data-terra-pinyin package were installed using the commands given below,

$ sudo dpkg-query -l | grep librime-data-terra-pinyin *

You will get with librime-data-terra-pinyin package name, version, architecture and description in a table

librime-data-terra-pinyin package basic information: