pracować nad czymś ingilizce:

1. work on something

İngilizce kelime "pracować nad czymś"(work on something) kümelerde oluşur:

PHRASAL VERBS -UNIT 5/ ACADEMIC VOCABULARI IN USE
Phrasal verbs in academic English
str 80 pierwsze dwie kolumny
5 września słownictwo
10 Enghlish Prop. 2

2. work on

İngilizce kelime "pracować nad czymś"(work on) kümelerde oluşur:

Job expressions & Job adjectives - Zwroty i przymi...
Focus 2 Unit 1 (1/2)
Angielski -at work
phrasal verbs
phrasal verbs

3. work at something