Level A1 : READ LISTEN TRANSLATE RANDOM
Level A2 : READ LISTEN TRANSLATE
Level B1 A: READ LISTEN TRANSLATE
Level B1 B: READ LISTEN TRANSLATE

substantiate begründen onderbouwen justifier sostanziare justificar ยืนยัน chứng minh 证实
underpin untermauern onderbouwen étayer sostenere apuntalar หนุน nền tảng 支撑










Compounds:














HSK5000 A1+A2+B1




HSK5000 B2 + C1