apertium-mlt-ara software package provides Apertium translation data for the Maltese-Arabic pair, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install apertium-mlt-ara
apertium-mlt-ara is installed in your system.
Make ensure the apertium-mlt-ara package were installed using the commands given below,
$ sudo dpkg-query -l | grep apertium-mlt-ara *
You will get with apertium-mlt-ara package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Science |
| Package | apertium-mlt-ara |
| Version | 0.2.0~r62623-1 |
| Description | Apertium translation data for the Maltese-Arabic pair |
| Sub Section | Science |