STD
noun
1. | (abbreviation of subscriber trunk dialling ) sistema de llamadas telefónicas directas de larga distancia |
2. | (abbreviation of sexually transmitted disease ) ETS f |
1. | (abbreviation of subscriber trunk dialling ) sistema de llamadas telefónicas directas de larga distancia |
2. | (abbreviation of sexually transmitted disease ) ETS f |
Complétez la séquence avec la proposition qui convient.
… help me to finish my exercise, please?