Bulgarian ⇄ Czech English Estonian Finnish French German Greek Hungarian Italian Lithuanian Polish Portuguese Romanian Russian Spanish Swedish

подобряване form.
biol.	zušlechťování; zlepšování
transp., avia.	modernizace

подобряване: 31 phrases in 9 subjects

Agriculture	1
Economy	12
Environment	3
Forestry	2
General	6
Melioration	2
Microsoft	1
Taxes	3
Trade unions	1